How to change the brake cable on a bicycle

Step 4

When performing work, you need to unscrew the trimming screw on the brake lever. In this case, you do not need to use any tools at all, since you can unscrew the screw by hand.

Step 7

The cable must be attached to the brake lever. To do this, you will need to attach the end of the cable to the lever of the handle designed for braking, and then screw the adjusting screw. At the end of the cable, it is necessary to put on anthers made of rubber and aluminum. This procedure should be carried out in such a way that the narrower part of the boot is directed towards the end of the cable. Thanks to the anthers, the shirt will be reliably protected from the possibility of dirt and dust getting inside. The cable is fixed with a bolt, which must be securely tightened with a hex wrench. Next, you have to assemble the brake, for which you need to hook the metal boot to the element that is located on the other brake lever.

essential steps to replace the brake cable on your bike

Due to intensive use, dirt and water begin to collect in the cables. Because of this, they begin to gradually become unusable. If you ride often enough, it will need annual repair or replacement. Thanks to this, the braking process will not only be as efficient as possible, but will also be smooth.

Step 1

Initially, a thorough inspection of the brake jacket should be performed. If this element has become unusable, or if there is a difficult movement of the cable, there may be damage to the cable or jacket. In the event that there are sufficiently sharp bends on the shirt, there is a possibility of premature rubbing of the cable.

Step 5

At this stage, the cable itself will be removed directly. To do this, it will be enough to straighten the shirts, after which the cable will slip out of them without any problems.

Step 6

Next comes the replacement of shirts. In new shirts, you will need to pre-cut the length so that they have the same dimensions with the previous ones. For the smoothest cut, it is best to use a wire cutter. It is important that the ends that have been cut have straight holes for installing the cable. Next, you have to put metal tips on the shirt itself.

Replacing the brake cable on a bicycle

The cable is an integral part of the bike’s mechanical braking system, which transfers power from the brake lever. Its condition and correct installation directly affect the quality of the bike’s control during braking. And in case of wear or breakdown. you may need to replace the brake cable on your bike. How to do it yourself. further.

change, brake, cable, bicycle

Self-service bike

What are the cables and shirts

The cable is inside the braid (jacket) and these parts do not function separately. When detecting damage, attention should be paid to both elements. A bicycle brake cable is made either from steel wires, which are twisted together, or from Teflon. The shirt is a flexible steel spiral. And also in this design, on some bikes there are holders. parts that are located on the frame and forks and have recesses. A cable is inserted into these grooves.

Spiral brakes. resistant to bending and stretching, are a strong, dense spiral of wire. Such a shirt is covered with thin plastic to avoid friction of the rope on it. In older models, these elements are lubricated with oil.

Preparing to replace the bike cable

Every cyclist must monitor the condition of the vehicle and, in particular, the condition of every part. If you find that the rope moves with difficulty, and the braid is clearly worn out, you need to replace the brake cable on the bike. In case of untimely replacement and neglect of the situation, the brake levers will be difficult to return to their place. over, this can provoke wear and tear on the cable, up to chafing. Even if a malfunction is found in one of the elements, both must be replaced.

Procedure for replacing the cable

Before use, be sure to check the brake operation again, make sure that the brake cable of the bicycle is installed correctly. Then you can drive your bike with confidence, it will not let you down in the event of emergency braking.

Timely replacement of the gearshift cable on a bicycle is a guarantee of the normal functioning and integrity of the mechanism. Replacing the cable is a simple procedure, it is quite possible to do it yourself.

We install, configure and adjust the front derailleur on a bicycle. We study the device of the switch, the principle of its operation, we learn to do a preliminary check.

Replacing the bearing of the rear wheel of a bicycle will not cause you any difficulties if you understand all the nuances and features of servicing this part. The condition of the bearings, their timely maintenance and replacement is the key to safe driving.

How to replace brake cables on a bicycle?

Over time, the cables collect dirt, water seeps out and they become worn out. If you want to make repairs, you don’t have to wait for any part to break. Replacing the cables is a good thing, repairs are done once a year, or more often if you ride a lot. After replacing the cables, the difference becomes very noticeable. Braking will be smooth and efficient. You can repair the cables before the general repair of the bike.

This manual is specifically designed to replace the brake cable on the handlebar. The process is very similar to other types of brake lever, only the access to the cable is really changed. The variability will depend on the manufacturer, and information is often available on the websites, so it is very easy to replace the cable by adding a little intuition to the instructions. A new brake cable is required for replacement. It is necessary to check if there is a nipple at the end of the brake cable. This will depend on the type of brake. You will also need an outer shroud (also known as a cable housing) if you need to replace it, as well as metal lugs, a tip cap (often included), and wire cutters.

Before removing the brake cable, you need to pay attention to the current thread of the bike. The variability will depend on the type and brand of bike. If the owner of the bike does not have a very good memory, then you need to photograph the thread, and then replace it. Using the hex wrench, it is very easy to unscrew the clamp screw that holds the cable. Turn the leaf until it stops so that you can easily pull out the cable. Then pull the brake lever firmly to gain access to where the cable gland goes. Pull out the old cable, keeping all the details.

Check the outer casing to make sure there are no defects. If there are defects, or the case is too old, then it must be replaced, if not, then you can use it. If a new outer casing is used, it must be adjusted to the same length as the old casing. If a spare body is not yet available, the required length must be determined. This can be difficult, so in this case it is worth contacting specialists.

If the outer body is too long, the braking will not be effective. Use good quality wire cutters, make sure the outside is cut. When shortening the length of the new housing, the hole must be cleaned. This is where a screwdriver comes in handy. After replacing the body, it is necessary to attach metal lugs to the end. Attach the tip to the brake device, taking into account the type of bike. To improve performance, you need to lubricate the tips a little.

If, when buying a new brake cable, two types of nipples are included in the kit, you should choose the one that matches the old one. Then lubricate the cable with a thin layer using your fingers or a piece of cloth. This is done in order to prevent the appearance of rust, very little lubrication is needed. It remains to thread the cable through the outer case.

Next, connect the cable to the brake lever, starting with the nipple. To do this, pull the lever and insert the nipple into the socket. Thread the cable through the brake lever and through the adjuster hole. Then turn the adjuster so that the cable does not move. Slide the outer shell into the opening of the regulator. Reattach the metal ferrule on the other side of the cable. In addition, the rubber must also be returned back. You need to start this from the larger side.

Thread the bolt through the strain relief and tighten well to lock in one position. Press on the handbrake that secures it. Then you can perform any other actions by loosening the bolt or, on the contrary, tightening it.

Now it’s time to test your new cables by pulling the lever down sharply two times. When you press the brake lever, the brakes should be fully applied. If this does not happen, you need to adjust the clamp bolt on the cable by tightening a little or, conversely, by lowering the cable. Better to start completely with the body setup. Loosen the cable a little, as when driving, the cable is stretched and the brake pads wear out.

Double check that all bolts are tight and the cable ends are hidden. If there is an extra cable, then with the help of wire cutters, you can cut off 5-10 cm for the next repair. Then cover the cable with a cover that prevents the separation of the wires, which must be secured by pushing down on the open edge. To make sure that everything is working properly, it is necessary to check how the brakes work several times.

New cables stretch a little during use, so in services the first bicycle repair after replacing the cables is almost always free. If after a few weeks the brakes start to work poorly, the owner of the bike can adjust them the way he likes: tightening them or loosening them, it all depends on his preferences.

READ  How to set up disc brakes on a bicycle

Causes of malfunctions

The first and foremost cause of poor gear shifting is usually a damaged cable and derailleur jacket. Replacing it is not difficult and identifying this malfunction is simple and easy. However, in order not to have to change the cable with a jacket once again, we recommend monitoring its condition.

Winter is ahead and this is an excellent time for inspection and replacement of the cable (if necessary). In order to check if the cable runs well inside the shirt, you need to do the following:

  • Drop the gear to the smallest star.
  • Visually inspect the jacket and end of the cable for damage or fraying. If they are, then go to step 8.
  • Unscrew the cable retaining bolt on your derailleur (front or rear) and pull the cable out of the groove in the derailleur.
  • Pull on the shirt by the shifter to expose the cable. Check the cable for dirt. If necessary, remove it.
  • With forward and backward movements, check that the cable runs smoothly. If the cable runs smoothly and without noticeable effort, we recommend lubricating the cable jacket for prevention.
  • Instead of alcohol-based lubricants such as WD-40, we recommend using some winter engine oil. Up to 25 it can provide you with acceptable lubrication properties without allowing the cable to freeze in the jacket. And when you put your bike in a warm apartment, unlike aerosols, it won’t evaporate from your shirt. You will need a regular syringe and needle to lubricate your shirt. Having previously typed a few milliliters into the syringe and pushing the cable aside, insert the needle into the cable hole and inject up to 5 milliliters of oil inside.
  • Repeat the forward movements from point 4 several times so that the oil spreads over the shirt. If you don’t need to replace the cable, you can proceed to setting the switch. How to adjust the rear or front derailleur, we told in this and in this article.
  • If you need to replace the cable, then you need to read the instructions for your shifter. Usually the cable from the shifter can be pulled out by dropping the gear onto the smallest sprocket and “pushing” it into the shifter. But first, check the “end” of the shifter for the presence of a dummy bolt in it. Before replacing the cable, this bolt must be unscrewed.
  • If there is no plug (as in my case), then most likely the cable is pulled out by a simple parsing of the shifter. In order to make it convenient for you to disassemble the shifter, it must be removed. Difficulties at this stage can only arise with the grip. By clicking on the inscription you will learn “how to remove the grip”.
  • After removing the shifter, unscrew the top cover by turning the bolt counterclockwise.
  • Important! Be extremely careful when removing the cover, make sure that the return spring does not fly out of the shifter. Push the cable as in step 8 until it comes out of its groove. Along the way, you can check the shifter for dirt inside and lightly lubricate the insides with the same oil. A couple of drops will benefit your shifter mechanism.
  • Insert a new cable and assemble the shifter. Also, don’t forget to replace the cable jacket. After replacement, proceed to setting the switch from step 6.

Inspection and replacement of the shift cable is not a tricky business. With the help of these instructions and with a minimal tool, you can replace the cable yourself without going to service. Successful repairs!

In the life of every cyclist, a situation may arise when it becomes necessary to replace the gearshift cable on the vehicle. And it turns out that you can do it yourself, quickly and easily, without the involvement of specialists.

How to change the gearshift cable on a bicycle

One of the main features of cyclists in the CIS is that a good half of the riding season does not end at all. At any time of the day and at any time of the year, cheerful cyclists roam through the cities and forests. In this article we will show you how to keep track of the standing of your shirts and cables and how to disassemble the derailleur.

When you may need to replace the gearshift cable

As soon as the rear derailleur malfunctions begin, the first step is to check the condition of the cable for high-speed shifting. It is he who most often becomes the reason:

  • sticking switching;
  • or incorrect switching.

Why does the cable fail? Its main “enemies” are water and mud. Ride in the rain and slush? Didn’t rinse or dry the bike? Get ready for gear shifting problems. The cable will start to malfunction. At first, after purchasing a vehicle, this part is still protected by the factory lubricant, then you can hold out on aerosol lubricants for some time. But then the cable will still have to be changed.

But the replacement process, as already mentioned, is simple and takes only a few minutes. The main thing is to do everything correctly and consistently, guided by step-by-step instructions.

Replacing the cable in the derailleur of the bike

Since the replacement of the cable is a repair process, the manufacturer will need a certain tool kit:

  • a set of hex keys (and that there must be a 5 mm key in it);
  • and wire cutters.

over, the procedure for replacing the rear derailleur cable is almost the same as for changing the front derailleur. Only the latter will need to be set to light gear before loosening the cable clamp screw. Well, the designs of these two switches are somewhat different. you also need to pay attention to this. It is also worth remembering how the cables were laid before replacement.

Also, after the procedure for replacing the cable, be sure to adjust the rear (or front) derailleur.

Actually, the replacement is carried out step by step, step by step:

  • The rear derailleur is positioned directly opposite the smallest bicycle sprocket. The end of the cable must be cut and the clamping screw must be loosened. And first you need to remember in which part of the screw (top or bottom) the clamped end of the cable was located. Since this circumstance can have a significant impact on the correctness of gear shifting.
  • With a five-millimeter hexagon (key), you must loosen the fastening of the shifting lever, and then remove it. This will open access to the protection cover.
  • The lid lock must be turned counterclockwise to remove.
  • And when the cover is removed, the repairer can see the end of the cable under the large spring. And you need to take a good look at how it is installed there in order to understand how to get it out better.
  • It is necessary to pull the cable out completely, helping the process through the channel of the tension regulator.
  • To help the cable head to free itself, you need to gently push back the spring. And in the same way, it will need to be taken away when installing a new cable.
  • A new cable must be installed in the vacant space. And you need to stretch it through the tunic at the location of the old cable. For convenience, you can guide the cable with the end of a thin screwdriver or even an awl. And at the end, it is better to make sure that the cable still stands up exactly as it should.
  • Now you will need to return the shifting lever cover to its original position. And fix it with the previously removed retainer, turning it clockwise this time.
  • The shifter is installed in its place immediately before pulling the cable into the sheath.
  • The cable is pushed into the braid until the end of the cable appears in the area of ​​the rear derailleur. And there is one significant nuance here. If the cable “does not want” to crawl into the braid, it gets stuck all the time and clings to something, it (the cable) will probably have to be changed.
  • At the very end, you need to make sure that the rear derailleur is directly opposite the smallest of the bike stars. Attach the cable and fix it to the screw.
  • Cut off the excess cable with pliers, leaving only 3 centimeters, and squeeze its tip.

After the procedure for replacing the derailleur cable on your bike, you must thoroughly test the functionality of the shifter. And the switch too. This must be done before the bike is fully exploited. You need to test it on a special stand. And if this is not done, then the brakes can fail at the most inopportune moment.

Just keep in mind that the bench test and real road conditions can be very different.

We have a 6-position Shimano RevoShift shifter and a braided cable. The task is to replace the cable and squeeze it. The main waste is a new cable (thinner than the brake cable) for 120 rubles, which is at least 3 times cheaper than the cost of a new shifter.

This is how Shimano RevoShift looks like with a new cable:

This is what the new gearshift cable looks like:

But such a disgrace will be if you cut the cable and forget to compress it:

Shimano RevoShift opens by prying the latch with a small screwdriver (on the topmost screen, this is the lower latch):

Before that, the switch must be switched to a lower speed state in order to release the clamp and bring the coil to a comfortable state:

Then you pull out the bad cable and put the good one. During final assembly, the cable can be lubricated with an oil cloth for better movement.

The easiest way to crimp a bicycle cable is with a heat shrink tube:

Cut off a piece of heat shrink, put it on the end of the cable and heat it up with a lighter. Then the cable can be cut with wire cutters without the threat of unweaving.

How to change the gearshift cable on a bicycle

One of the main features of cyclists in the CIS is that a good half of the riding season does not end at all. At any time of the day and at any time of the year, cheerful cyclists roam through the cities and forests. In this article we will show you how to keep track of the standing of your shirts and cables and how to disassemble the derailleur.

READ  How To Fix A Speed Switch On A Bicycle

When you may need to replace the gearshift cable

As soon as the rear derailleur malfunctions begin, the first step is to check the condition of the cable for high-speed shifting. It is he who most often becomes the reason:

  • sticking switching;
  • or incorrect switching.

Why does the cable fail? Its main “enemies” are water and mud. Ride in the rain and slush? Didn’t rinse or dry the bike? Get ready for gear shifting problems. The cable will start to malfunction. At first, after purchasing a vehicle, this part is still protected by the factory lubricant, then you can hold out on aerosol lubricants for some time. But then the cable will still have to be changed.

But the replacement process, as already mentioned, is simple and takes only a few minutes. The main thing is to do everything correctly and consistently, guided by step-by-step instructions.

Causes of malfunctions

The first and foremost cause of poor gear shifting is usually a damaged cable and derailleur jacket. Replacing it is not difficult and identifying this malfunction is simple and easy. However, in order not to have to change the cable with a jacket once again, we recommend monitoring its condition.

Winter is ahead and this is an excellent time for inspection and replacement of the cable (if necessary). In order to check if the cable runs well inside the shirt, you need to do the following:

  • Drop the gear to the smallest star.
  • Visually inspect the jacket and end of the cable for damage or fraying. If they are, then go to step 8.
  • Unscrew the cable retaining bolt on your derailleur (front or rear) and pull the cable out of the groove in the derailleur.
  • Pull on the shirt by the shifter to expose the cable. Check the cable for dirt. If necessary, remove it.
  • With forward and backward movements, check that the cable runs smoothly. If the cable runs smoothly and without noticeable effort, we recommend lubricating the cable jacket for prevention.
  • Instead of alcohol-based lubricants such as WD-40, we recommend using some winter engine oil. Up to 25 it can provide you with acceptable lubrication properties without allowing the cable to freeze in the jacket. And when you put your bike in a warm apartment, unlike aerosols, it won’t evaporate from your shirt. You will need a regular syringe and needle to lubricate your shirt. Having previously typed a few milliliters into the syringe and pushing the cable aside, insert the needle into the cable hole and inject up to 5 milliliters of oil inside.
  • Repeat the forward movements from point 4 several times so that the oil spreads over the shirt. If you don’t need to replace the cable, you can proceed to setting the switch. How to adjust the rear or front derailleur, we told in this and in this article.
  • If you need to replace the cable, then you need to read the instructions for your shifter. Usually the cable from the shifter can be pulled out by dropping the gear onto the smallest sprocket and “pushing” it into the shifter. But first, check the “end” of the shifter for the presence of a dummy bolt in it. Before replacing the cable, this bolt must be unscrewed.
  • If there is no plug (as in my case), then most likely the cable is pulled out by a simple parsing of the shifter. In order to make it convenient for you to disassemble the shifter, it must be removed. Difficulties at this stage can only arise with the grip. By clicking on the inscription you will learn “how to remove the grip”.
  • After removing the shifter, unscrew the top cover by turning the bolt counterclockwise.
  • Important! Be extremely careful when removing the cover, make sure that the return spring does not fly out of the shifter. Push the cable as in step 8 until it comes out of its groove. Along the way, you can check the shifter for dirt inside and lightly lubricate the insides with the same oil. A couple of drops will benefit your shifter mechanism.
  • Insert a new cable and assemble the shifter. Also, don’t forget to replace the cable jacket. After replacement, proceed to setting the switch from step 6.

Inspection and replacement of the shift cable is not a tricky business. With the help of these instructions and with a minimal tool, you can replace the cable yourself without going to service. Successful repairs!

In the life of every cyclist, a situation may arise when it becomes necessary to replace the gearshift cable on the vehicle. And it turns out that you can do it yourself, quickly and easily, without the involvement of specialists.

Replacing the cable in the derailleur of the bike

Since the replacement of the cable is a repair process, the manufacturer will need a certain tool kit:

  • a set of hex keys (and that there must be a 5 mm key in it);
  • and wire cutters.

over, the procedure for replacing the rear derailleur cable is almost the same as for changing the front derailleur. Only the latter will need to be set to light gear before loosening the cable clamp screw. Well, the designs of these two switches are somewhat different. you also need to pay attention to this. It is also worth remembering how the cables were laid before replacement.

Also, after the procedure for replacing the cable, be sure to adjust the rear (or front) derailleur.

Brake Housing & Cable Installation. Upright Bars

Actually, the replacement is carried out step by step, step by step:

  • The rear derailleur is positioned directly opposite the smallest bicycle sprocket. The end of the cable must be cut and the clamping screw must be loosened. And first you need to remember in which part of the screw (top or bottom) the clamped end of the cable was located. Since this circumstance can have a significant impact on the correctness of gear shifting.
  • With a five-millimeter hexagon (key), you must loosen the fastening of the shifting lever, and then remove it. This will open access to the protection cover.
  • The lid lock must be turned counterclockwise to remove.
  • And when the cover is removed, the repairer can see the end of the cable under the large spring. And you need to take a good look at how it is installed there in order to understand how to get it out better.
  • It is necessary to pull the cable out completely, helping the process through the channel of the tension regulator.
  • To help the cable head to free itself, you need to gently push back the spring. And in the same way, it will need to be taken away when installing a new cable.
  • A new cable must be installed in the vacant space. And you need to stretch it through the tunic at the location of the old cable. For convenience, you can guide the cable with the end of a thin screwdriver or even an awl. And at the end, it is better to make sure that the cable still stands up exactly as it should.
  • Now you will need to return the shifting lever cover to its original position. And fix it with the previously removed retainer, turning it clockwise this time.
  • The shifter is installed in its place immediately before pulling the cable into the sheath.
  • The cable is pushed into the braid until the end of the cable appears in the area of ​​the rear derailleur. And there is one significant nuance here. If the cable “does not want” to crawl into the braid, it gets stuck all the time and clings to something, it (the cable) will probably have to be changed.
  • At the very end, you need to make sure that the rear derailleur is directly opposite the smallest of the bike stars. Attach the cable and fix it to the screw.
  • Cut off the excess cable with pliers, leaving only 3 centimeters, and squeeze its tip.

After the procedure for replacing the derailleur cable on your bike, you must thoroughly test the functionality of the shifter. And the switch too. This must be done before the bike is fully exploited. You need to test it on a special stand. And if this is not done, then the brakes can fail at the most inopportune moment.

Just keep in mind that the bench test and real road conditions can be very different.

We have a 6-position Shimano RevoShift shifter and a braided cable. The task is to replace the cable and squeeze it. The main waste is a new cable (thinner than the brake cable) for 120 rubles, which is at least 3 times cheaper than the cost of a new shifter.

This is how Shimano RevoShift looks like with a new cable:

This is what the new gearshift cable looks like:

How To Change Your Brake Cables

But such a disgrace will be if you cut the cable and forget to compress it:

Shimano RevoShift opens by prying the latch with a small screwdriver (on the topmost screen, this is the lower latch):

Before that, the switch must be switched to a lower speed state in order to release the clamp and bring the coil to a comfortable state:

Then you pull out the bad cable and put the good one. During final assembly, the cable can be lubricated with an oil cloth for better movement.

The easiest way to crimp a bicycle cable is with a heat shrink tube:

Cut off a piece of heat shrink, put it on the end of the cable and heat it up with a lighter. Then the cable can be cut with wire cutters without the threat of unweaving.

Changing the brake cable on a bicycle

The brake cable on a bicycle can be replaced independently, this article will be useful for those who have a bicycle with a flat handlebar, since the cables for bicycles with a bent handlebar are somewhat different.

If the cable in the brake jacket does not move well, this can cause the brake levers to not return into place. You may need to change the shirt itself if you see it is worn out. Also, the shirt can bend in some places, and because of this, the cable will be overwritten. In this case, you will have to change both the shirt and the cable.

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Purchase a suitable brake cable. When choosing, pay attention to its end on the side of the brake lever, compare it with the old one. They shouldn’t be different.

Before getting started, remove the screw that secures the cable. Find the place where the cable is attached to the brake lever. Set aside the rubber and metal anthers, they will still come in handy. Next, remove the screw on the brake lever. The trim screw is easy to remove and can be unscrewed with your fingers.

After you have removed the cable, straighten the shirt, the cable will come loose from it. You may need to adjust the shirts to length, for this carefully measure the desired size, and then use the wire cutters. The cable holes on both should be straight. Put the metal tips on your shirt.

Next, insert the cable into the shirt and make sure that it moves easily, thread the cable through the entire length of the shirt. After that, the cable must be connected to the brake lever, for this, connect the end of the cable with the round attachment to the brake lever lever and fasten the adjusting screw. Now the same anthers that you put off earlier will come in handy.

When securing the boots, their narrow part should point towards the end of the cable. The purpose of the anthers. protect the shirt from dirt that may get inside. Secure the cable firmly with a special bolt. After that, you will need to tighten the bolt with a hexagon for a while. To assemble the brake, attach the metal boot to the counterpart on the other brake arm. And tighten the cable. The screw holding the cable now needs to be released, while holding the cable, move the levers, tighten the cable and tighten the fixing screw.

Make sure you did everything right. To do this, press on the brake, this will allow you to stretch the new cable and distribute all the parts in place. It may need to be further tightened. Look carefully to see if the shirt fits into the metal boot and the adjusting screw on the handle. The boot itself should fit well into the mating part of the mount.

If everything works as expected, tighten the cable retaining bolt well. Now you can cut the remaining excess cable and adjust the free end of the cable. To prevent the cable from unraveling, put an aluminum cap on its end and press it well and fix it with pliers. To prevent the free end of the cable from dangling, hide it in the brake.

Check again to see if the brakes are working well before riding. If you have doubts whether you did everything right, it is better to contact the bike workshop once again.

Main functions of the system

The main parameters responsible for the operation of the braking system are:

    Braking force. how much the brake grips the rim and the maximum amount of force required to stop or lock the bike.

The pressure ranges of the lever are called brake modulation.

Wear resistance is an indicator of the expected life of the system, taking into account the observance of the operating rules.

Timely maintenance increases the service life of the braking system.

Checking the reaction of the pads

When the brake lever is released, the gap between the pads and the disc should not exceed 2 mm on both sides.

To check the need for adjustment, turn the brake drum clockwise with the lever pressed and free.

Before replacing the brake cable on a bicycle, check the operation of the pads:

  • The pads are in close contact with the disc (rim). no adjustment required, the brake conductor is at normal tension.
  • The pads do not reach the disc. the length of the cable is shortened to the required level.

When pressing the lever, the pads should be in close contact with the disc or rim and stop rotation.

  • The brake cable must be adjusted so that when the lever is released, the wheel rotates freely and does not cling to the pads.
  • When the lever is pressed, the position of the brake pads should not exceed 2 mm, and the lever rests against the handlebar.
  • If the lever is unbalanced and rests against the handle, it is necessary to pull the cable.

    Adjusting the brake cable on a bicycle

    Braking systems on modern bikes are rim and disc. The difference between the systems lies in the method of braking: the disc is driven by a cable and brakes along the disc fixed on the hub, and the rim. along the rim. Most often, to set up the system, it is enough to set the symmetrical arrangement of the brake pads, adjust the lever and tighten the brake cable.

    Brake cable. mechanical design for transferring force between parts relative to randomly changing positions, thanks to this transmission the brake is applied.

    The brake cable for a bicycle has increased strength, consists of a tubular sheath and a core moving relative to each other.

    The brake cable looks more reliable than the high-speed cable, because takes on an increased load. Long-term operation stretches the wire and you need constant control of the cable stretch.

    General cable characteristics

    The brake cable for a bicycle is made of wear-resistant thin steel or Teflon threads, evenly woven and covered with a flexible polymer material. Teflon lubricants are used for protection.

    The most reliable version of the brake cable is made of stainless steel. Constant use of the bike provokes contamination of the outer casing.

    Over time, the strength of each core decreases: separate frayed areas are formed that are prone to tearing, delamination and bending.

    The cable sheath (braid) is produced in several modifications:

    Twisted braid. consists of several pairs of insulated conductors with the addition of metal, each of them is covered with protective plastic, the inner compartment is treated with a lubricant to reduce the amount of friction.

    The price category of these braids is low, rarely goes on sale.

    SIS braid. spiral braid, instead of thin metal threads, metal sheets are screwed into the spring, the inner surface is treated with Teflon grease.

    This type of braid is the most common on the market today and is used on brake and speed cables.

    How To Replace A Bicycle Brake Cable

    SIS-SP. modernization of a modern rope, it is a parallel threads covered with polymer layers.

    Unlike other types, they do not change the length of the wire, and balance the tension. The interior is lubricated with silicone fluid.

    The braid is considered the most reliable, due to a number of factors, the braking system works most accurately.

    Adjusting the cable length

    Before starting the adjustment, check the brake attachment. In case of slight unbalance, the cable can be adjusted on the handlebars of the bicycle. just tighten the mount on the brake lever with a shaped bolt.

    • Checking the positions of the regulators. they must be screwed in the required position.
    • In the area where the cable is attached to the brake lever, unscrew the fixing bolt with a hex wrench.
    • Unscrew the head screw on the brake lever.
    • Remove the cable from the shirt, check it for integrity, replace if necessary.
    • Thread the cable back into the sheath, check for freedom of movement.
    • Connect the end of the cable with a round attachment to the brake lever and screw the head screw.
    • Set the switch to operating mode.
    • On the other end of the cable, pull a rubber or aluminum boot so that the narrow part is directed towards the cable. Secure the cable with the fixing screw.
    • Tighten the adjustment bolts temporarily.
    • Use the pliers to set the optimal level of cable tension: the brake must immediately react to the pressure of the lever.
    • Hexagon adjusts the location of the brake pad relative to the disc or rim at a distance of up to 1 mm between them.
    • After that, the rotation of the drum and the reaction of the pads are checked, which should not touch the disc when the brake is released.
    • When the lever is pressed, the brake pads only touch the disc area.
    • After fixing the cable in the required position, tighten the adjusting screw.
    • Tighten the adjusters on the brake lever to finish.

    After fixing the cable, a small piece of the cord remains, in order to exclude it from entering the bicycle system, it must be wound or cut, leaving 8 cm in stock.

    Adjusting and adjusting the brake

    Adjusting the brakes involves more than one tensioned brake cable. An important part in setting up the brake system is replacing and adjusting the brake pads.

    The brake pads are replaced when the surface is worn out. Disc brakes wear much slower system than rim brakes.

    For guaranteed reliability in braking, adjustment of mechanical disc brakes begins after tensioning the cable. When tensioning the cable, take into account:

    • the distance from the brake pads to the disc is 0.2-0.4 mm;
    • pads are symmetrically located relative to the disc plane.

    To do this, after tensioning the cable, check the distance between the shoe and the disc.

    The pads are adjustable with bolts, to move them to the desired range, tighten and loosen the bolt.

    After checking, the gap between the pads and the disc is set so that they do not touch when the wheel rotates.

    And most importantly, make sure that the pads provide normal and timely braking of the bike.

    We also recommend watching a video on adjusting the brakes: