Remove The Rear Sprocket From The Stealth Bike

Why might you need

Dismantling of the old cassette is necessary for full maintenance. In this case, almost the entire bike is subject to disassembly. If maintenance was carried out recently, removal will be required for the following reasons:

How to replace a rear sprocket on a speed bike

There are not many key parts in a speed bike. The main ones include the stars, which serve to switch speeds with the provision of gear ratios in the transmission. With the constant operation of the bicycle mechanism, worn sprockets are formed. This is facilitated by the usual physical process. friction. What is the threat? The chain starts to jam and simply slips deformed parts.

The problem that has arisen requires an immediate solution. If the question is ignored, then any movement on the road will turn into a solid negative. The modern VELOBIKE model allows you to change a worn out part. Our article will tell you how to replace the rear sprocket on a speed or mountain bike.

Bicycle sprocket care

Needless to say, all mechanisms require maintenance, otherwise they will quickly fail. If you clean the transmission of dirt as it gets dirty, it will significantly extend the life of the part.

You can clean the bike structure according to the following principle:

  • Open the brake and remove the rear wheel;
  • Inspect the inner cassette for dirt. If the dirt is strong, then without removing it will not be possible to clean, in the case when the dirt is small, then you can clean it directly on the bike;
  • Coarse bristled brushes should be used for cleaning, but they should be small to get into hard-to-reach places. An old toothbrush, which is NOT planned to be used for its intended purpose, is suitable for such cleaning;
  • Initially, a rag should be dipped in kerosene and only after that start removing dirt from the sprocket;
  • After cleaning, apply grease to the brush and wipe over the teeth. Then install back.

In order not to change the asterisks, you should constantly carry out proper care and diagnostics. Spending a few minutes of your time once a month to lubricate the sprockets, you can protect yourself Not only from large expenses, but also wasting extra time.

Therefore, it is much easier to take care of in a timely manner than to repair your bike, especially if you use it often enough.

If a breakdown still happened, you should not be upset, but make every effort to fix it yourself.

Stages of installing new stars

How does assembly work when replacing a bicycle cassette chainring?

Let’s look at the steps.

  • Installing a new asterisk and Fixing it.
  • Assembling the cassette in reverse order.
  • Using a puller, mount the drum to the slotted area.
  • The drum must first be leveled.
  • Next, we carry out the process of assembling the sleeve. All actions described in the first paragraph are carried out in reverse order.
  • Install the rear wheel and fix it securely.
  • Put on the chain.

It is imperative to check the smooth operation of the transmission. This procedure involves adjusting the rear derailleur.

If everything is done according to the proposed instructions, feel free to get on the bike and enjoy the ride.

Features of removal from a high-speed bike

If you need to remove the cassette from a high-speed bike, you need to carefully familiarize yourself with a number of features and nuances characteristic of this procedure. So, for example, you can face certain difficulties when disassembling sprockets on a six and seven-speed bike. There is a solution to the problem for each case.

How to unscrew the rear sprocket on a speed bike. Why you need to change sprockets on a bike?

The sprocket on a bicycle has one of the main roles that affect ride quality and speed. During the use of a two-wheeled vehicle, a load is exerted on all its component parts.

Replacing the sprockets is essential for correct function and gear shifting If you do not repair parts immediately after damage, there is such an option that broken parts will accumulate and repair will be quite expensive, in some situations it exceeds the cost of the bike itself.

How to remove and put a system star

The system is a set of three chainrings. If you often have to ride at speed, then the biggest sprocket is likely to wear out. Conversely, with frequent off-road trips, wear will affect the first (smallest) sprocket. By analogy with the second, middle sprocket, when the bike is used at medium speeds on a dirt road or bad asphalt.

On a modern mountain or road bike, the system is collapsible, so it will NOT be difficult to dismantle all the stars. Before work, you need to carefully prepare, namely, collect all the necessary tools:

Removing the system from the bike:
1. Place the frame in a straight position. If you have a stand, you should definitely use it.

2.Remove the right connecting rod fixing axle bolt with a hexagon.

Remove The Rear Sprocket From The Stealth Bike

3. Unscrew the pedal from the right crank arm. A standard open-end wrench is suitable for this.

4. Insert the puller into the connecting rod to remove it from the carriage. First, we screw the tool all the way into the thread. It is important that it sit evenly on the shaft, otherwise it can be damaged when unscrewing the connecting rod. Install the spanner wrench on the puller and screw it in until it stops until the connecting rod is not pushed out of the carriage shaft.

5. Carefully remove the system from the chain.

6. Two stars are usually attached to each other on the so-called spider. The big one remains on the connecting rod itself. Unscrew with hex bolts.

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This is how the system understands.
Replacement and installation looks like the reverse process:

  • Place the desired sprocket on the spider and tighten the fasteners. Change the large part together with the right connecting rod and screw the middle and small stars onto it.
  • Next is the installation of the connecting rod on the carriage. Before this, it is advisable to clean and lubricate the carriage shaft.
  • Gently put the chain on the system and screw the connecting rod by rotating the puller in the opposite direction.
  • Tighten the fixing nuts and put the plugs.
  • Probably the pedal on the connecting rod.

When replacing one star, it is advisable to clean the old ones. Lightly grease the system components before installing on the carriage.

So just replace the chainring. All listed tools are required. The connecting rod is a delicate thing, and a hammer and chisel is not the best option for removing it. Same goes for keys. Pliers are difficult to replace them, besides nuts can easily “eat”. Well, without hexagons, it is impossible to disassemble the system into parts.

At the end, check the operation of the transmission. everything is in order and does NOT require adjustment of the speed switch.

How to remove the sprocket from the rear wheel of a speed bike

The transmission of a speed bike consists of three main elements: a derailleur on the rear wheel, a derailleur (shifters) on the handlebars, and a set of sprockets. The latter bear a heavy load, so they are subject to rapid wear. Before removing the sprocket from the rear wheel of a speed bike, you need to learn how to do it correctly. Mistakes made during disassembly will lead to damage to the part, or failure of the ratchet bearings (it all depends on the type of design).

How to remove sprockets from the rear wheel of a bicycle?

It is absolutely not difficult to disassemble the device for replacement, but you should be careful and have a couple of free hours in stock.

In some situations, the disassembler initially takes 15 minutes, and another person without the necessary skills can handle it in 1-2 hours.

That is why it is difficult to answer the question of how much time can be spent on a laborious process. In most, all stars have the same parsing method, since they have almost the same structure.

Helpful hints when parsing:

  • How the parts are removed, in this order they should be installed. This advice will help from confusion and waste of extra time that can be spent remembering where a certain detail came from;
  • After parsing, every detail needs to be inspected, perhaps it does not require replacement, but a banal cleaning is simply necessary.

How to remove sprockets from the rear wheel of a bicycle?

If it’s a ratchet, then things will be a little easier. If there is special equipment, then even a person can cope with this, and not having anything to do with bicycles.

This requires only 2 tools:

  • Special puller;
  • Adjustable wrench.

First, of course, you need to remove the wheel. Then the stars are removed using two steps. It is necessary to insert the puller into the ratchet, and then try to turn it counterclockwise with a key.

If the mechanism has never been removed, then it can twist strongly (such is its property) and NOT succumb even under great efforts. Then you need to spray the miraculous WD-40 spray there from the thread side. If you leave it like this for a few hours, then the ratchet can be easily removed. It should also be remembered that the larger the lever, the greater the effort. Therefore, you need to take the largest adjustable wrench. Do a couple of jerks and the ratchet will unscrew easily.

You will need another tool to remove the cassette. It’s called a whip. This is the handle to which a piece of bicycle chain is attached. If the cassette is turned counterclockwise, it will start to rotate. This is where this whip will come in handy, which will hold her. Some craftsmen simply use a piece of an old chain instead of this tool. Then everything is the same as when removing the ratchet.

Bicycle sprocket care

Needless to say, all mechanisms require maintenance, otherwise they will quickly fail. Cleaning the transmission from dirt as it gets dirty will significantly extend the life of the part.

You can clean the bike structure according to the following principle:

  • Open the brake and remove the rear wheel;
  • Inspect the inner cassette for dirt. If the dirt is strong, then without removing it will not be possible to clean, in the case when the dirt is small, then you can clean it directly on the bike;
  • For cleaning, use coarse-bristled brushes, but they must be small to get into hard-to-reach places. An old toothbrush, which is NOT planned to be used for its intended purpose, is suitable for such cleaning;
  • Initially, a rag should be dipped in kerosene and only after that start removing dirt from the sprocket;
  • After cleaning, apply grease to the brush and wipe over the teeth. Then install back.

In order not to change the asterisks, you should constantly carry out proper care and diagnostics. Spending a few minutes of your time once a month to lubricate the sprockets, you can protect yourself Not only from large expenses, but also wasting extra time.

Therefore, it is much easier to take care of in a timely manner than to repair your bike, especially if you use it often enough.

If a breakdown still happened, you should not be upset, but make every effort to fix it yourself.

Required tools

In order to remove the sprockets from the bike, you must:

  • Puller, which is suitable for slotted concept and for retaining rings;
  • Whip. a metal key, consisting of 10-20 links;
  • Adjustable wrench.

How to remove rear sprockets from a mountain bike. Why you need to change sprockets on a bike?

The sprocket on a bicycle has one of the main roles that affect ride quality and speed. During the use of a two-wheeled vehicle, a load is exerted on all its component parts.

Replacing the sprockets is essential for correct function and gear shifting If you do not repair parts immediately after damage, there is such an option that broken parts will accumulate and repair will be quite expensive, in some situations it exceeds the cost of the bike itself.

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Change the sprockets on the rear wheel of the bike

The drivetrain plays a very important role in the operation of the entire bike, so you must carefully monitor the wear of its SEPARATE parts. This is especially true of the rear wheel sprockets, which fail over time. A worn out sprocket must be replaced as soon as possible, and it will NOT be difficult to do this.

Required set of tools

Before starting the replacement process, acquire the necessary tools that may be useful to you. It:

  • Whip
  • Cassette removers
  • Rozhkova and adjustable wrenches

How to properly disassemble a cassette?

First, remove the rear wheel from the bike. This is very easy to do. Unscrew the nut with a wrench and release the chain. The owner of mountain models will simply press on the special mount and the wheel will be dismantled.
Next, install the removable device on the slotted nut of the cassette. Here we need a whip, which will prevent the cassette from turning. While we rotate the puller with an adjustable wrench, hold the whip to the largest star.

The process of dismantling and replacing the sprocket

Using the nut, unscrew the cassette and remove it from the wheel. We carefully examine the stars and determine which of them has become unusable. Start with the smallest and end with the largest.
The bike drivetrain is designed in such a way that you can only replace the worn out sprockets and not the entire cassette. Therefore, having examined the cassette, you are removing the used parts from it and replacing them with new ones. It is very easy to pull the star out of the cassette, this is facilitated by special rivets. The main thing is to carefully remember the order of the stars, so as not to get confused with their installation back.
On some bikes, you may find so-called “spiders” in the configuration. This is a group of several stars, which are inextricably linked. In this case, you will have to replace the entire spider.
Many cyclists are faced with the following problem. After replacing several stars, there is great discomfort in the operation of the chain. This is due to the fact that the chain has already passed a certain mileage, has worn out and now it is difficult for it to interact with new parts. Therefore, experts recommend the simultaneous replacement of the chain and worn sprockets. This greatly minimizes the complexity of your bike’s drivetrain.

What You Should Know in Singlespeed?

If you own a single speed bike, the process of replacing the rear chainring will be simplified to a minimum. You just need to unclamp the circlip. If the original ring has become unusable, it must be replaced immediately, even if you are NOT going to replace the stars in the near future. Otherwise, the chain will lose its fixation, and this threatens with backlash.
The process of replacing the ring is very simple, you do not need to perform the slightest force manipulations. Therefore, if you are talking about a single-speed bike, everything is very easy and understandable here. However, Owners of such models should carry out the process of dismantling the cassette only if one or more of the Largest sprockets have worn out. If a small asterisk starts to fail. This is not a cause for concern.
Whatever you ride, remember that both the simplest road bike and the super-fast bike need a proper transmission. A badly worn chain and stars will not allow you to drive even a couple of meters. Pay close attention to the mechanics and promptly replace worn-out parts. A working bike is the main guarantee of your safety and a cool, trouble-free ride!

How to install a cassette on a bike

First of all, make sure that the assembly of the cassette matches the unfolded / removed parts. To facilitate this process, there are grooves of different sizes on the sprockets (for each sprocket. individual), and suitable splines on the sleeve. It is the correct alignment of the grooves and splines that all the sprockets will stand in a certain order.

There are some important things to keep in mind when installing the cassette on your bike:

  • Many cyclists lubricate the bushing surface before installing the parts in question. However, experts believe this is wrong. after lubrication (until the entire cassette is assembled and installed), both dust and dirt will have time to get onto the applied lubricant, which ultimately leads to the need for maintenance, repair or replacement of elements.
  • Experienced cyclists lubricate the thread of the retaining ring before assembling the cassette. during subsequent disassembly it will be much easier to unscrew.
  • All sprockets must be put on alternately, but do not forget to place spacer rings between them. On some bike models you can see NOT individual sprockets, but a single / one-piece assembly.
  • In many bicycles, to securely install the last sprocket, you need to press it slightly and only then you can screw on the retaining ring.
  • After the locking ring is screwed in, first you need to check the correct installation of the cassette and only after that you can finally tighten it. Tightens the retaining ring clockwise.

It is NOT difficult to remove and install the cassette, because if you have a minimum set of tools and at least basic knowledge of the technical plan, all the work will take a little time, maximum 60 minutes. But even if such a process is to be carried out for the first time, do not cost a belt. the experience of removing and installing a cassette will certainly come in handy more than once. The fact is that experienced cyclists recommend carrying out such maintenance of the bicycle cassette at least once a year.

How to remove a bike cassette

Cyclists often have to service their vehicle on their own. each time it will be quite expensive to contact specialized repair services. Many elements of a bicycle can be removed and installed quite easily and simply, but there are such details that require the use of specific tools and some knowledge. These include the cassette. a part that is attached to the rear hub.

Tool-free repair is possible

For ordinary users, it is unlikely that a connecting rod puller is lying around somewhere, especially for the Octalink, although it costs a penny. But sooner or later there will come a time when either the system or the carriage will become unusable and require urgent replacement. If you have the necessary tools, the replacement of THESE spare parts is carried out in 10-15 minutes.

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The easiest way to remove cranks from a bike without a puller, as mentioned above, is with a hammer. It is relevant for both Octalink and a regular square. The subsequent actions look like this:

  • Remove the plugs from the connecting rods, if present.
  • With a 13 mm wrench, Unscrew the carriage bolts. Many carriages today have 6mm hex bolts.
  • If you do NOT want to visually damage your bike cranks, coat them with several layers of thick fabric, cardboard, tape, or take a pine block a few centimeters thick. Ideally, a Kiev woman is suitable for such an unusual task.
  • Flip the bike over against the handlebars and saddle.
  • Begin tapping the connecting rod with moderate force from the inside, as close to the axle as possible. You can hit the connecting rod from time to time from the outside in order to somehow stir it up.
  • If the structure is pressed very tightly, you can try to hit a point with a chisel or a barb, attached to the connecting rod head.

Please note: Using this method, you can damage the frame, the bottom bracket assembly or the connecting rod itself. In addition, any impact on the stars is likely to deform them and render them unusable.

It is worth saying that removing stuck connecting rods can be problematic, even with a puller. Most likely, in this way you will NOT be able to remove the stuck bicycle crank, no matter how hard you try. But do not despair, for such cases they came up with other ways.

If there’s nowhere to rush

Let’s say you bought new cranks and want to replace them, but the old ones can still last a few days. In this case, you can try the following method:

  • Unscrew the carriage fixing bolts.
  • Spray any penetrating grease into the contact area.
  • Go cycling, not screwing in bolts.

There is a chance that frequent vibrations will cause the connecting rods to come off the shaft. Be careful, if they fly off during the jump, it will be extremely unpleasant.

The Hollowtech II standard is the least problematic. In order to remove the connecting rods, you only need a 5 mm hexagon, a special wrench for this standard, which is easily replaced with a 10-11 mm hexagon, and a little effort if the system is stuck to the bearings. Even a child can cope with this.

What are the pullers

A wrench for a bicycle crank is a special tool (usually a press), which greatly facilitates the removal of the system, unlike a hammer.

Each of the above standard has its own puller. In the case of a square shaft, Octalink is a kind of press, which is screwed into the head of the connecting rod, rests on a special platform against the carriage shaft and, by screwing in the nut, breaks the connecting rod. There are cases of breakage of the threads of the connecting rods themselves, if the system was pressed very hard.

The left end cap with Hollowtech II requires a special sprocket wrench. The clamping bolt is tightened with a force of only 1-2 N / m, so the key of this standard is usually plastic, Inconvenient, and the cover can be easily unscrewed by hand.

A special tool is good, and every bike lover should buy it. But still, let’s move on to the main question. how to remove the bicycle cranks without a puller?

Radical approach

If the parts are NOT sticky, the previous methods will help you remove the bike crank without a puller. As you can see, the options are quite elegant and, if done correctly, will NOT harm either the bike or you. But it also happens that parts stick very strongly. Especially often at the contact points aluminum / steel or steel / steel.

In this case, a grinder or a drill will help. It is difficult to name a specific method of cutting, since the design of frames and systems can be very diverse. On some bicycles, you can simply cut off the bottom bracket, on some you can try to drill the largest possible hole in the place of the thread, which, under the influence of vibrations, will help to destroy the connection or break the metal.

A bonded joint can be destroyed by temperature extremes. Heat the connecting rod head, for example with a burner, and then cool it down as hard as possible. Due to the physical properties of metal, there is a chance to remove the bicycle cranks without a puller as soon as the structure cools down.

You can experiment by combining the above methods, or try your own unique.

How to remove connecting rods from a bike without a puller? Helpful hints

The transmission of a bicycle tends to wear out even with proper and timely care. Most people, of course, have special bicycle tools, and if you suddenly felt an urgent need to replace its components, you most likely wondered. How to remove connecting rods from a bicycle without a puller and is it possible to do it yourself? To deal with this, it is worth learning more about the connecting rods and types of carriages.

A little about standards

On bicycles of different classes, it is logical to install bicycle cranks and carriages of different standards. The following types of carriage assembly are currently popular:

  • Standard square mount. the old look for budget bikes.
  • Octalink, designed by Shimano. It has several subspecies, including standards of second manufacturers that are very similar in design. In fact, it is a kind of “square” carriages, but has a redesigned shaft and modified splines.
  • Hallowtech II is considered the best option in terms of stiffness / weight ratio, but it costs more than others. Also invented by Shimano.

On older bicycles, wedges were a common mount. There were quite a few problems with such a system, which is why it remained in the last century. Now they are practically NOT produced, and even the most budgetary bicycles are equipped with carriages with a square shaft.

Preventing corrosion

Those who have dealt with used spare parts probably would NOT want to repeat this again. To prevent such unpleasant situations, you just need to process the attachment point before installation.

When replacing connecting rods Apply a small amount of grease to the bottom bracket shaft where it contacts other parts, regardless of type. It is NOT worth putting in too much lubricant, because at the moment of pressing, its excess will be squeezed out of the joint and will remain to collect dirt around it. Before installation, it is also worth lubricating the threads and even some latches.