How to make the front wheel of a bicycle

Installing the front wheel

As you perfectly understand, the process of installing the front wheel is the opposite of removing it and it makes no sense to describe it in detail.

We put the wheel back, as it was. Do not confuse the direction of rotation of the wheel (written on the tire). Remember that your bike is overturned and it is worth considering the direction of travel. In the case of disc brakes, it is difficult to confuse, since it is necessary that the disc hits exactly between the pads.

We tighten the nuts or tighten the eccentric

If you have rim brakes, you need to return them to their original condition. We check that the wheel does not dangle, turns freely and the brake functions, otherwise we check everything again point by point.

How to put the front wheel back

To put the wheel back, you need to do the same as when removing, but in reverse order:

  • We put the wheel in the mount so that the rotation is not confused. The direction of rotation is written on the tire, but keep in mind that the bike is upside down. This is done in order to avoid when driving eights, because the wheel tire is arranged according to a special technology.
  • We fasten the wheel with a nut or an eccentric firmly enough so that it does not fly back when driving.
  • Flip the bike.
  • Putting the brakes back as they were if you have rim brakes installed.

After that, you need to check the wheel: how it turns and whether it brakes correctly.

How to remove the rear wheel yourself

Removing a large rear wheel is no more difficult than removing a front wheel. To make the dismantling process easier, remove the chain from the axle and spread the brakes.

Reverse mounting follows the same principle as with the front. However, when installing the chain, make sure it is correctly positioned on the sprocket. Therefore, first you need to put on the chain, and then mount the wheel on the mount.

Removing the front wheel from a bike?

Before starting dismantling work, it is necessary to determine the type of braking device. No prior action is required for disk hardware. For rim structures, the brake must be released before removing the wheel from the bike. The technology is similar for models of different companies: it is necessary to squeeze the pads and pull out the arc by unscrewing the screw holding it. The following actions can be divided into several stages:

  • Turn the bike over with the wheels up. To avoid damage to the equipment, you can place a soft base. Prolonged exposure to disc models in this position may threaten air from entering the tubes, so all actions must be carried out quickly and accurately.
  • Unscrew the nut or eccentric depending on the vehicle model.
  • Pull upwards and remove the wheel from the mountings. Remember that when working with a disc brake, pressing the handle without a wheel may result in the pads being compressed.

After carrying out repair work, you need to install the spare parts back. This requires information on how to assemble a bicycle wheel? It is enough to carry out all the steps in reverse order:

  • Insert into the mount, observing the directions of rotation.
  • Secure with eccentric or nut.
  • Flip to normal position.
  • Install the rim brakes.

Observing all the points of the instructions, it is not at all difficult to master the disassembly and assembly of the wheel mechanism. After carrying out the work two or three times, a skill is acquired and the speed of the procedure increases.

How to reinstall the front wheel of a bicycle

Here, the same actions appear as in the case of withdrawal, only the order of actions is reversed.

  • Slide the bike wheel into the mount so as not to mix up the rotation. Information about the direction of rotation is on the tire, but you must remember that the bike is still upside down. This is important, otherwise eights may appear on the rim;
  • Secure the axles with an eccentric or nut. Check the tightness of the fastening so that the wheel cannot fly off while driving;
  • Turn the bike over;
  • Return the brakes to their original place (in the case of rim brakes).

At the end of all manipulations, check the functionality “hero of the occasion” and the correct operation of the brakes.

How to put the rear wheel back

Replacing the rear wheel is done in the same way as installing the front wheel. However, when fitting the wheel, it is important that the chain fits correctly onto the sprocket. Therefore, first we put the chain on the sprocket and then we put the wheel on the mount. It is better to do this with gloves, because the chain will get your hands dirty and you will have to wash them for a long time.

If you suddenly think that the chain is twisted or tangled on the sprockets, then you do not need to remove the wheel again. It is enough to twist the chain back and forth with the pedals or by hand to make it lock into place. You can also move the gearshift mechanism, which is located in the chain mechanism, and then put on the released chain as you like.

If you have any difficulties in disassembling a bike, then you can read our article How to disassemble a bike.

You can also read our article How to inflate a wheel.

Disconnecting the brakes In the first step, we look at what brakes your bike has. If you have disc brakes, then go directly to step 2. If your bike has a rim brake, then you need to release it. This procedure is approximately the same for all types of rim brakes. For example, to release a V-brake, you need to squeeze the pads with your hands (this is easier to do at the place where the cable is attached to them) and pull out the arc, as shown in the figure. 2.

Now carefully turn the bike upside down. In this case, it turns out that he stands on the handlebars and saddle quite steadily. At this stage, you should carefully monitor so that the equipment attached to the handlebars (bike computer, bell, bike headlight, etc.) is not damaged. In addition, it is best to place a cloth under the gear selectors to avoid scratching them. If your bike has hydraulic disc brakes (from the brake lever there is a hose with brake fluid, not a regular shirt with a cable). then it is not recommended to keep the bike upside down for a long time, in order to avoid air entering the hydraulic line, since if this happens, then it will be necessary to pump the brakes (although the process is not complicated, but rather laborious). 3.

Next, we look at how the wheel is fixed to you: is it an ordinary nut or an eccentric (small lever).

3.1. If your wheel is secured with a nut, then you need to take two suitable keys. Throw one on one side, the other on the other, and twist one of the keys counterclockwise, holding the other in place. It is not necessary to unscrew the nuts all the way, but simply loosen until the wheel can be safely removed.

3.2. If your wheel is fastened with an eccentric, then everything is generally simple. no tools are needed. We pull this eccentric towards ourselves, as shown in the figure, after which it is necessary to unscrew it a little more counterclockwise, holding it on the back side with your hand until it becomes possible to pull out the wheel. four.

At the last stage, simply pull the wheel up, and if you did everything correctly, it can be easily removed. On bicycles with disc brakes, do not press the brake lever with the wheel removed, as this may compress the pads, and you will have to tinker with them too.

How to remove the front wheel of a bicycle

The procedure here depends on the type of brakes used on your bike.

  • Turn the bike upside down. Do this carefully so that it fits over the seat and steering wheel. There are many fragile devices on the steering wheel that can be easily damaged. This is a bell, headlights, accelerometers. Place a soft cloth under the derailleur of your bike to avoid scratching the part. If you are using a hydraulic system with brake fluid, do not keep the bike upside-down for long periods of time. This is fraught with air entering the tubes and subsequent bleeding of the brakes. This work cannot be called too laborious, but it will require additional time expenditures;
  • Remove the wheel. If it is secured with a nut, then unscrew it until the hub axle comes out of the mount freely. The eccentric fastening does not require any additional tools and devices for dismantling. Eccentric bindings are often found on sport and mountain bikes;
  • Finish dismantling.

Important! Do not use hydraulic disc brakes without a rotor between the pads as they can compress and jam. That will complicate the process of re-installation, up to the possible need to bleed the brakes. Therefore, take care of some kind of temporary spacer between the pads in advance.

How to mount the rear wheel on a multi-speed bike

Correctly carried out repair of a bicycle wheel is not only and not so much correct disassembly, troubleshooting, but also assembly. The entire set of parts must be assembled strictly in reverse order.

make, front, wheel, bicycle

Now all that remains is to mount the rear wheel of the multi-speed bike to the frame. Slip the chain over one of the sprockets, then insert the axle into the dropout. The assembly is complete. It remains only to tighten the axle nut or eccentric. Turn the pedals, follow the chain as it moves along the sprockets. If everything is fine, then the speed bike is ready to ride.

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How to remove / install the front wheel from a bike

How to remove / install the front wheel from a bike

Removing / installing the front wheel on a bicycle is one of the simplest tasks a cyclist may need. Usually, the front wheel is removed for transport or storage of the bike, but there are also situations when you need to remove the wheel in order to glue the camera or change the tire.

How to remove the front wheel?

If you have disc brakes, the task is even easier, but remember to insert a spacer between the brake pads because during transportation or repairs, you may accidentally press the brake, the pads will compress and complicate the installation procedure, especially if the brakes are hydraulic.

In order to remove a wheel from a bicycle with rim brakes, you need to unfasten the pads or lower the front wheel.

To unfasten, disconnect the pads, you need to press them to the rim with your hands at the junction of the cable, and pull the arc so that it crawls out of the groove.

Unscrew, remove the wheel.

After you have dealt with the brakes, proceed to removal. The wheel can be attached to the fork in two ways:

1) With a bolt. then you need a spanner or spanner of the desired size (usually from 13 to 17 sizes, but most often 14 or 15 sizes). Bolted connection is now found on children, teenagers, and also cheap bicycles.

2) Quick release. eccentric connection. Most common these days. Removal / installation of the wheel becomes possible even without the use of special tools. To remove the wheel, simply move the position of the eccentric clamp to the opposite side and hold it with your hand, make a couple of turns of the thumbscrew until you feel that the wheel moves easily.

The installation process is the opposite of removing.

1) Be sure to check the direction of the rubber when installing (compare with the rear wheel).

2) Do not pinch the eccentric when you press the eccentric handle, it should lower without much effort, but also check that the wheel does not wobble.

3) Check the center of the wheel, rotate it several times and apply the front brake, the wheel should not rub against the pads.

How do I fit the front wheel to my bike? Its structure and features.

The front wheel of a bicycle is a driving unit, without which it is impossible to imagine a bike, perhaps a unicycle. The driven wheel, synchronized with the fork, is responsible for the trajectory of the bike and, to a greater extent, the rolling speed. Unlike the rear wheel, the front wheel is simpler in design, but also requires timely maintenance.

A bicycle, like a car, needs regular maintenance, and the front wheel is one such important component that should not be neglected. Let’s give him a little attention!

Removing the front wheel from the fork

Removing a wheel is the simplest maintenance procedure for your bike. This is done very simply:

  • Turn the bike upside down.
  • Release the rim brake, remove the caliper from the disc.
  • Loosen the fasteners from the fork dropouts.
  • Remove the wheel axle from the mountings.

On dropouts, the mount is nut and eccentric. In the first case, you will need two 15 mm wrenches. with one we hold the nut, with the other we carefully twist it on the opposite side. With the eccentric, everything is easier. loosen the retaining nut and fold the clamping lever.

What does the wheel consist of?

Bicycle wheels are the most conservative component. Of course, there are models on cast disks, all-round wheels are put on track models, but they are in the minority. Still, the majority of bicycles are equipped with spoke wheels.

  • ordinary sleeve;
  • rim;
  • connecting knitting needles;
  • rim protective tape (flipper);
  • camera and tire;
  • disc (on models with disc brakes).

The hub is the axial part of the wheel, it is an assembly of the central axle, bearings and tapered retainers. Cone bearing systems are most often mounted on bushings with open bearings. They can also be equipped with sealed bearings or slips.

Rim. supporting structure, metal ring. The rims are made mostly of aluminum, with carbon rims being used on expensive models. In terms of rigidity and power, they are divided into three types:

  • single-walled. the outer and inner surfaces have one line of contact (jumper);
  • double. the inner surface is attached to the sidewalls, separated from the outer;
  • triple. the strongest and most durable option: the inner wall is also fixed to the sidewalls, but, unlike the double rim, the triple has an additional wall in the middle.

How To Remove The Front Wheel of a Bicycle

Vertical bridges form channels running in the direction of rotation. According to the number of such channels, modern rims are divided into one, three- and five-piece:

Spokes. elements of the connection between the hub and the rim. They perform the functions of securing, distributing loads along the rim and central axis, and mitigating vibrations during movement. The rim is perforated, each hole is designed to hold one spoke. The number of spokes is set on a bicycle wheel in multiples of four. Depending on the model, their number varies. from 28 to 40 on average.

The number of spokes for the front wheel is usually less than the number for the rear. This is due to the fact that the bulk of the load falls on the rear of the bike, and there the wheel must be stronger.

  • standard (rolled). constant circular cross-section along the entire length from the bushing attachment to the tip;
  • aerodynamic (blade-like). elliptical or rectangular profile;
  • variable cross-section (pulled). standard cross-section at the heads and tapering towards the middle.

The inner tube is the inside of the tire that holds the pressurized air inside. Tire. the outer shell that makes contact with the road, absorbs bumps, protects the camera. The tire is made of a harder rubber than the tube.

Rim tape, or flipper, is a rubber lining under the tube to protect it from puncture on the spoke tips. Dynamic loads force the walls of the chamber to bend, which causes them to be pressed against the rim surface. Without a flipper, the chamber can be pushed into the hole with the spoke tip. This problem is more pronounced on the rear wheel, where the loads are higher, but the presence of a flipper is mandatory on the front. The torn tape must be replaced with a new one. A proven homemade option. glue the rim with several layers of electrical tape, except for the hole for the nipple.

Installation sequence

To properly install the front wheel on the bike, you must follow exactly the reverse procedure for removing.

  • We insert the wheel into the grooves of the frame until it stops. Here it is important not to confuse the position of the structure. the direction in which the rotation will occur is indicated by arrows on the tires.
  • We fasten the nuts or eccentrics in place. You cannot overtighten, but the fixation must be strong enough.
  • Fasten back the rim brakes Put the rim brakes in place
  • We turn the bike over to its usual position.

Despite the fact that the front driven wheel is a little simpler in its structure than the rear one, it is still responsible for the course of movement and needs proper care, lubrication of parts, tightening of the spokes.

The rear drive wheel has many mechanisms, but the principle of dismantling and installation is the same, except that it will have to be removed from the chain drive and put the chain in place during installation.

Dismantling sequence

Before removing the front wheel from the bike, it is necessary to get rid of the bike itself of all accessories and additional devices, so as not to damage them under the weight of the structure during the dismantling process.

  • We turn the bike upside down, put it on a stand for repair. Or, in the absence of a special rack, simply on a handlebar with a saddle.
  • Now you need to decide on the type of brake system installed on the bike.
  • Disc brakes won’t be a hassle when removing a wheel. The only thing to consider is that hydraulic brakes do not like the inverted position, because air can enter the system. In this case, the brakes will have to be pumped after all the procedures performed with your bike.
  • The rim brakes will need to be unfastened before removing the structure from the mounts. To do this, squeeze the levers with your hands and remove the end of the cable from the clamp, then spread the levers to the sides.
  • The hub axle is attached to the fork by means of an eccentric or nuts. In the first case, you just need to unscrew the eccentric, unscrew and remove the wheel from the ends of the fork, gently pulling it up. In the second, unscrew the nut with a wrench; for convenience, you can hold it with a second wrench during unscrewing.

After the wheel is removed, you can continue to carry out the necessary work with it, for which it, in fact, was removed.

Question answer

It could be a simple 8. 2. It may be an axle not fully inserted into the dropout, unscrew the nuts and push it straight. 3. Perhaps the wheel is shifted to the right side due to the fact that the axle is longer on one side. It is necessary to unscrew the nuts on it, put it so that the axle length is the same on both sides of the wheel, and tighten the nuts.

Lift the led. Spin the wheels. Look how bad it spins. Try to loosen the nuts on the bushings. Maybe the bearings are overtightened, but do not relax too much, otherwise there will be a backlash.

Removing a wheel is the simplest maintenance procedure for your bike. This is done very simply: 1) Turn the bike upside down. 2) Release the rim brake, remove the caliper from the disc brake. 3) Loosen the fasteners from the fork dropouts. 4) Remove the wheel axle from the fasteners.

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Such bicycles are also called Penny-farthing. one of the earliest types of bicycle, characterized by a very large front and small rear wheel. The name of the bike comes from the appearance of the British penny and farthing coins, since one of them (penny) is much larger than the other (farthing), and the bike from the side resembled these coins, following one after the other.

My name is Eugene and I am a cyclist. I have been cycling for over 15 years and have tried different disciplines. bmx, mtb, downhill and others. I broke my first bicycle “schoolboy” in half while trying to overcome gravity. I am sure that I will interest you with my website and tell you about the intricacies of the cycling industry so that you become a professional!

How to remove the front wheel?

Now carefully turn the bike upside down. In this case, it turns out that he stands on the handlebars and saddle quite steadily. At this stage, you should carefully monitor so that the equipment attached to the handlebars (bike computer, bell, bike headlight, etc.) is not damaged. In addition, it is best to place a cloth under the gear selectors to avoid scratching them. If your bike has hydraulic disc brakes (a hose with brake fluid comes from the brake lever, and not a regular shirt with a cable), then it is not recommended to keep the bike upside down for a long time, in order to avoid air getting into the hydraulic line, since if this happens, you will need to pump brakes (although the process is not complicated, but rather laborious).

Next, we look at how the wheel is fixed to you: is it an ordinary nut or an eccentric (small lever).

3.1. If your wheel is secured with a nut, then you need to take two suitable keys. Throw one on one side, the other on the other, and twist one of the keys counterclockwise, holding the other in place. It is not necessary to unscrew the nuts all the way, but simply loosen until the wheel can be safely removed.

3.2. If your wheel is fastened with an eccentric, then everything is generally simple. no tools are needed. We pull this eccentric towards ourselves, as shown in the figure, after which it is necessary to unscrew it a little more counterclockwise, holding it on the back side with your hand until it becomes possible to pull out the wheel.

At the last stage, simply pull the wheel up, and if you did everything correctly, it can be easily removed. On bicycles with disc brakes, do not press the brake lever with the wheel removed, as this may compress the pads, and you will have to tinker with them too.

Installing the front wheel

As you perfectly understand, the process of installing the front wheel is the opposite of removing it and it makes no sense to describe it in detail.

We put the wheel back, as it was. Do not confuse the direction of rotation of the wheel (written on the tire). Remember that your bike is overturned and it is worth considering the direction of travel. In the case of disc brakes, it is difficult to confuse, since it is necessary that the disc hits exactly between the pads.

We tighten the nuts or tighten the eccentric

If you have rim brakes, you need to return them to their original condition. We check that the wheel does not dangle, turns freely and the brake functions, otherwise we check everything again point by point.

Dismantling sequence

Before removing the front wheel from the bike, it is necessary to get rid of the bike itself of all accessories and additional devices, so as not to damage them under the weight of the structure during the dismantling process.

  • We turn the bike upside down, put it on a stand for repair. Or, in the absence of a special rack, simply on a handlebar with a saddle.
  • Now you need to decide on the type of brake system installed on the bike.
  • Disc brakes won’t be a hassle when removing a wheel. The only thing to consider is that hydraulic brakes do not like the inverted position, because air can enter the system. In this case, the brakes will have to be pumped after all the procedures performed with your bike.
  • The rim brakes will need to be unfastened before removing the structure from the mounts. To do this, squeeze the levers with your hands and remove the end of the cable from the clamp, then spread the levers to the sides.
  • The hub axle is attached to the fork by means of an eccentric or nuts. In the first case, you just need to unscrew the eccentric, unscrew and remove the wheel from the ends of the fork, gently pulling it up. In the second, unscrew the nut with a wrench; for convenience, you can hold it with a second wrench during unscrewing.

After the wheel is removed, you can continue to carry out the necessary work with it, for which it, in fact, was removed.

How to install the front wheel on a bike

If you have never done something, then you may think that it is difficult to do it. If you have never removed the wheels from a bicycle before, then you may also be afraid that you will not cope, especially with the rear wheel (after all, there is a chain, a bunch of stars and this tricky derailleur!). But now we will tell you everything about this simple operation. There is nothing supernatural here. In short, we have already touched on this issue in the article on how to disassemble a bicycle, and now we will open this topic a little wider. You will have to remove the wheel not only if you need to disassemble the bike for transportation or storage, but also in order to replace the camera, tire or spokes (we will devote a separate article to what the wheels of a bicycle consist of), get rid of the figure eight.

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How to remove wheels from a bicycle with rim brakes

If you have rim brakes, release them first. To do this, slide the brake levers towards each other and lift the cable lock up.

If you need to remove both wheels, release both brakes at once so that you don’t have to turn the bike over again. If you have tires with a large tread or they are large in diameter by themselves, then you will have to deflate a little air from the tubes. Now turn the bike upside down (if you have any accessories installed on your handlebars that can be damaged in this position, it is better to remove them in advance). The bike will stand stable enough for any operation, but if you have hydraulic brakes, it is better not to leave it in this position for a long time. air can get into the hydraulic line, which will entail a not very difficult, but tedious and time-consuming process of bleeding the brakes.

How to remove the rear wheel of a bike

If you will be removing the rear wheel, to make it easier to do, loosen the chain as much as possible by switching it to the smallest sprockets. The wheel can be attached to the frame and to the front fork in two ways: with two nuts (less often) and with an eccentric. If your wheels are secured with nuts that screw onto the wheel axle, then you need two wrenches. You just throw one on one side and hold it in this position, and twist the second counterclockwise.

How to remove wheels from a bicycle with disc brakes

If you have disc brakes, just in case, insert something into the pads, in the slot where the disc was: if they accidentally close, it is very difficult to release them. And if you don’t open it, don’t put the wheel on. The role of something can be, for example, a piece of paper folded several times. And sometimes new bicycles come with a special plastic plug.

The assembly is carried out upside-down. To make it easier with the rear wheel, bring it to the attachment point, put the chain over the sprocket and after that insert the axle into place.

Removing / installing the front wheel on a bicycle is one of the simplest tasks a cyclist may need. Usually, the front wheel is removed for transport or storage of the bike, but there are also situations when you need to remove the wheel in order to glue the camera or change the tire.

How to remove the front wheel?

If you have disc brakes, the task is even easier, but remember to insert a spacer between the brake pads because during transportation or repairs, you may accidentally press the brake, the pads will compress and complicate the installation procedure, especially if the brakes are hydraulic.

In order to remove a wheel from a bicycle with rim brakes, you need to unfasten the pads or lower the front wheel.

To unfasten, disconnect the pads, you need to press them to the rim with your hands at the junction of the cable, and pull the arc so that it crawls out of the groove.

Unscrew, remove the wheel.

After you have dealt with the brakes, proceed to removal. The wheel can be attached to the fork in two ways:

1) With a bolt. then you need a spanner or spanner of the desired size (usually from 13 to 17 sizes, but most often 14 or 15 sizes). Bolted connection is now found on children, teenagers, and also cheap bicycles.

2) Quick release. eccentric connection. Most common these days. Removal / installation of the wheel becomes possible even without the use of special tools. To remove the wheel, simply move the position of the eccentric clamp to the opposite side and hold it with your hand, make a couple of turns of the thumbscrew until you feel that the wheel moves easily.

The installation process is the opposite of removing.

1) Be sure to check the direction of the rubber when installing (compare with the rear wheel).

2) Do not pinch the eccentric when you press the eccentric handle, it should lower without much effort, but also check that the wheel does not wobble.

3) Check the center of the wheel, rotate it several times and apply the front brake, the wheel should not rub against the pads.

How to remove the rear wheel?

The rear wheel removal process is COMPLETELY the same as the front wheel removal process. You don’t even need to look at the equipment suspended from the back (you only have to remove the chain from the axle if it gets caught).

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Installation sequence

To properly install the front wheel on the bike, you must follow exactly the reverse procedure for removing.

  • We insert the wheel into the grooves of the frame until it stops. Here it is important not to confuse the position of the structure. the direction in which the rotation will occur is indicated by arrows on the tires.
  • We fasten the nuts or eccentrics in place. You cannot overtighten, but the fixation must be strong enough.
  • Fasten back the rim brakes.
  • We turn the bike over to its usual position.

Despite the fact that the front driven wheel is a little simpler in its structure than the rear one, it is still responsible for the course of movement and needs proper care, lubrication of parts, tightening of the spokes.

The rear drive wheel has many mechanisms, but the principle of dismantling and installation is the same, except that it will have to be removed from the chain drive and put the chain in place during installation.

Removing the front wheel from the fork

Removing a wheel is the simplest maintenance procedure for your bike. This is done very simply:

  • Turn the bike upside down.
  • Release the rim brake, remove the caliper from the disc.
  • Loosen the fasteners from the fork dropouts.
  • Remove the wheel axle from the mountings.

On dropouts, the mount is nut and eccentric. In the first case, you will need two 15 mm wrenches. with one we hold the nut, with the other we carefully twist it on the opposite side. With the eccentric, everything is easier. loosen the retaining nut and fold the clamping lever.

  • replacement of tubes / tires;
  • tightening / loosening of the spokes;
  • bulkhead bushing;
  • rim painting.

Installing the front wheel on the fork is done in reverse order.

The device and installation of the front wheel on a bicycle

The front wheel of a bicycle is a driving unit, without which it is impossible to imagine a bike, perhaps a unicycle. The driven wheel, synchronized with the fork, is responsible for the trajectory of the bike and, to a greater extent, the rolling speed. Unlike the rear wheel, the front wheel is simpler in design, but also requires timely maintenance.

A bicycle, like a car, needs regular maintenance, and the front wheel is one such important component that should not be neglected. Let’s give him a little attention!

What does the wheel consist of?

Bicycle wheels are the most conservative component. Of course, there are models on cast disks, all-round wheels are put on track models, but they are in the minority. Still, the majority of bicycles are equipped with spoke wheels.

  • ordinary sleeve;
  • rim;
  • connecting knitting needles;
  • rim protective tape (flipper);
  • camera and tire;
  • disc (on models with disc brakes).

The hub is the axial part of the wheel, it is an assembly of the central axle, bearings and tapered retainers. Cone bearing systems are most often mounted on bushings with open bearings. They can also be equipped with sealed bearings or slips.

Rim. supporting structure, metal ring. The rims are made mostly of aluminum, with carbon rims being used on expensive models. In terms of rigidity and power, they are divided into three types:

  • single-walled. the outer and inner surfaces have one line of contact (jumper);
  • double. the inner surface is attached to the sidewalls, separated from the outer;
  • triple. the strongest and most durable option: the inner wall is also fixed to the sidewalls, but, unlike the double rim, the triple has an additional wall in the middle.

Vertical bridges form channels running in the direction of rotation. According to the number of such channels, modern rims are divided into one, three- and five-piece:

Spokes. elements of the connection between the hub and the rim. They perform the functions of securing, distributing loads along the rim and central axis, and mitigating vibrations during movement. The rim is perforated, each hole is designed to hold one spoke. The number of spokes is set on a bicycle wheel in multiples of four. Depending on the model, their number varies. from 28 to 40 on average.

The number of spokes for the front wheel is usually less than the number for the rear. This is due to the fact that the bulk of the load falls on the rear of the bike, and there the wheel must be stronger.

  • standard (rolled). constant circular cross-section along the entire length from the bushing attachment to the tip;
  • aerodynamic (blade-like). elliptical or rectangular profile;
  • variable cross-section (pulled). standard cross-section at the heads and tapering towards the middle.

The inner tube is the inside of the tire that holds the pressurized air inside. Tire. the outer shell that makes contact with the road, absorbs bumps, protects the camera. The tire is made of a harder rubber than the tube.

Rim tape, or flipper, is a rubber lining under the tube to protect it from puncture on the spoke tips. Dynamic loads force the walls of the chamber to bend, which causes them to be pressed against the rim surface. Without a flipper, the chamber can be pushed into the hole with the spoke tip. This problem is more pronounced on the rear wheel, where the loads are higher, but the presence of a flipper is mandatory on the front. The torn tape must be replaced with a new one. A proven homemade option. glue the rim with several layers of electrical tape, except for the hole for the nipple.

Bulkhead bushing, rim alignment, tube and tire replacement

The technical condition of the bike directly depends on the serviceability of all its components, including the front wheel. There are not so many problems with him, but they visit regularly:

  • wear of bushing components, production of lubricant;
  • curvature of the rim. eights;
  • chamber breakdowns, tire cracking.

The hub provides a fixed axle attachment to the dropouts and uniform, unhindered wheel rotation. Insufficient lubrication causes increased bearing friction and, as a result, rapid wear. Symptoms. the wheel is loose, pronounced backlash, difficult rotation, crunching.

So, how to disassemble the bushing: 1. Remove the axle from the dropouts (see above).

Loosen the retaining sleeve nut. To do this, you need two 17 mm keys. fix the nut firmly on the right with one, twist the other counterclockwise on the left.

Screw the cone. For the hookup, you will need a key for 14, then it can be easily twisted by hand.

Pull out the axle from the opposite side. Carefully remove the left bearing from the housing cavity and pull the right one off the cone.

Inspect everything carefully, especially the bearings. Damaged parts must be replaced with new ones.

  • Blow dirt out of an empty case.
  • Apply a thin layer of grease to the inner walls of the bushing using a narrow brush or cotton swab.
  • Wipe the axle, cones and bearings with kerosene and let dry (if installing the same components).
  • Lubricate the axle, bearings and tapers on the inner sides, which are in contact with the bearings. We do not regret lubrication on bearings: the more, the better. Gently wipe off excess with a clean cloth.
  • Put the right bearing on the corresponding cone with the side as it stood before.
  • Slide the axle into the bushing and install the left bearing on it.
  • Screw in the cone carefully. Its surface should touch, but not pinch the bearing.
  • Tighten bushing with nut.
  • Place the wheel on the dropouts and fix.

We check the work of the bushing. we spin the wheel with force. If everything on the hub bulkhead has been done correctly, the wheel will spin easily and soundlessly. If rotation is difficult or the bushing runs axially, the left cone must be loosened or retightened. Perhaps, for an accurate result, adjustment will be required several times, the main thing here is not to rush.

Eights are the most annoying wheel problem. It arises equally from the front and from the back. The front eight delivers less discomfort than the rear, but still, driving on a crooked wheel is not high. Consider how to quickly fix defects in a bicycle rim. To work, you need a universal spoke wrench, it looks like this:

Repair of the figure eight is done as follows:

  • Determine the maximum wheel bulge. In this area, pull up the needle at an angle that is a multiple of 1 turn.
  • Loosen two knitting needles at the edges at an angle, half the amount at which the central knitting needle was pulled.
  • Pull the next outer needles to an angle half the size, by which those two needles were weakened.

And so on, it all depends on the amount of curvature. The picture shows a scheme for eliminating a 7-spoke eight.

If the curvature is between the knitting needles, do this:

Replacing the chambers is easier than repairing rim defects, but also more often required. In order to properly and easily remove and install the tire, it is advisable to use special plastic assemblies.

Front wheel of a small bicycle. how to remove and replace

  • Remove the wheel from the fork mountings.
  • Bleed air from the chamber (if we only change the tire).
  • Unscrew the protective cap from the nipple and push it down slightly.
  • On the opposite side, hook the tire bead with two assemblies.
  • With the third assembly, hook the bead on the sides until the tire comes off the rim. Now you can get the camera.
  • Pump up the camera a little so that it straightens.
  • Place the camera in the tire.
  • Select the correct direction of the tire using the arrow.
  • Insert the nipple into the hole in the rim.
  • Push the tire beads into the rim from the nipple side to the opposite end. When pushing becomes difficult, use editors.
  • Pull the nipple tube upward (for Schrader).
  • Check that the beads are completely in the rim and put the wheel on the bike.

The front wheel on a bicycle is a simple unit that you can self-service at home with your own hands: disassemble and assemble the hub, change the tire and eliminate distortions on the rim. Serious problems. broken spokes, cracking of the hub body. will require the help of a specialist.