How to repair the brakes on a bicycle with your own hands

Adjusting the brakes on a bicycle

Adjusting the brakes on a bicycle should be carried out regularly. such maintenance will guarantee the safe operation of the vehicle. There are two main types of brakes on modern bicycles. rim and disc brakes, but disc brakes can be mechanical or hydraulic. The process of their maintenance will depend on what type of brake system is installed on a particular bike.

How to Adjust Disc Brakes on a Bicycle: Techniques for Hydraulics and Mechanics

Normally, the disc brake stops the wheel as quickly as possible, allowing the force to be dosed on the verge of blocking the rotor. Deviations appear after replacing the cable, pads and overhaul. However, the settings are violated during long-term use, as well as after removing the wheel, for example, to seal the bicycle camera at home. How to avoid the famous shuffling of the rotor, how to eliminate the braking, and, in the end, how to restore the factory braking character. these and other questions are answered by the editorial staff of Autobann magazine.

How to make the brakes brake well

Use good quality pads and center the caliper in time with the rotor so that the disc bends as little as possible.

How to adjust disc mechanical brakes on a mountain bike

Mechanics are gradually becoming history. Now it can still be seen in the budget line of Russian Stels, Forward and Stern. Considering the price, there is no need to talk about the belonging of brake system parts to such global brands as Shimano and Sram. Usually this is some kind of noname kit that has a minimum of settings.

Another nail in the list of disadvantages of mechanical disc brakes is that they need to be adjusted more often. This is because one of the pads is motionless. As it is erased, the distance between it and the disc automatically increases. Meanwhile, fluctuations in the values ​​of this gap should be insignificant, otherwise the friction linings will wear unevenly, the quality of deceleration suffers.

Adjusting hydraulic disc brakes

Hydraulic bike brakes are positioned as self-adjusting, requiring no intervention or adjustment. But you still need to set them up from time to time. For example, if you hear strange creaks or rustles during operation, or the factory settings are initially incorrectly set. The following few steps will help you quickly and efficiently set up your hydraulic disc brakes:

  • The bolts fixing the caliper on the adapter must be loosened.
  • Squeeze the brake lever and fix it in this position (if there is no assistant, use the materials at hand: electrical tape, fishing line, wire).
  • We carry out a visual inspection. As with a mechanical system, the rotor should be positioned clearly in the middle of the caliper slot, with pads equidistant from it. If the rotor is not positioned correctly, align it by pressing in the direction where the unevenness is noticed. This will contribute to the even distribution of the liquid and fixation in the desired position of the pads and the rotor.
  • At this point, the adjustment can be considered complete, and you just have to fix the mounting bolts and return the handle to its original position.

As with mechanics, hydraulics also have a rotor that performs the same function. Sometimes it can give in to deformation. But this can be eliminated by determining the place of the bend and bending it in the opposite direction. Then the shuffling sounds when driving will stop.

Disc hydraulic brakes

Hydraulics are used to create a wide variety of mechanisms. Its high efficiency is primarily due to the non-compressibility of the liquid.

The following points are called features:

  • The main advantage lies in the ease of braking and the softness of the system used. In this case, you can feel the pressure force, which increases towards the end of the handle stroke. In comparison with the mechanical type of the device, the considered one is characterized by a smoother stroke of the handle. Therefore, there is no need to apply a lot of force for braking.
  • The hydraulics can withstand long-term use. This is due to the fact that it is less prone to overheating. Therefore, braking can take place for a long period even when driving downhill.
  • Device adjustments are carried out much less frequently. That is why you can remove the wheel for cleaning or replacing it.

Disc hydraulic brakes

In this case, the reason for the adjustment is the strong resistance of the wheel at the moment of movement, as well as when an extraneous sound or squeak appears.

The adjustment instructions in this case are as follows:

  • On the caliper, the bolts are unscrewed, after which the handle is squeezed out to press the pads against the wheel.
  • The next step is to check the position of the valves. They must be equally spaced from the rotor.
  • Next, all screws are tightened.
  • After locking the caliper, the handle is released. In this position, the block should not be pressed against the rim, be at a distance of about a millimeter.
  • Quite often there is a situation where the pads are located at different distances from the rim. The problem can be solved by pressing one of the pads, after which the handle is worked through 10 times. Due to such actions, unevenness is eliminated.

The final stage involves setting the correct position of the handle, which controls the system. For this, a special adjusting hexagon is installed.

How to set up the brakes on a bike

Brakes are undoubtedly one of the most important components on a bike. They need to be kept in good condition. they must always be clean and properly adjusted.

The brakes need to respond quickly and efficiently to all your commands. To achieve this goal, they are designed with the smallest possible gaps. But over time, as they wear out, play appears in them, which leads to an increase in reaction time, a decrease in braking efficiency and a deterioration in bike handling.

Brake Adjustment Procedure.

  • When pressing the brake levers, make full contact with the rim, do not touch the tire above and do not hang below the rim.
  • When viewed from above, the front edge of the shoes should be slightly closer to the rim than the rear, so that it starts to contact the surface of the rim a little earlier than the rear edge of the shoes.
  • Adjusting the brake cables: When adjusting the brakes or regularly maintaining your bike, always check the brake cables for visible signs of abrasion, rust or wear. The cable must pass freely through all shirts and guides that secure it to the bike.
  • How often to check the brakes?

    Perform a full brake check before every ride. Make sure the brake components are in good condition and in place.

    Also, have your brakes checked and serviced regularly by an experienced mechanic in order to spot problems in time that you did not notice or could not fix due to lack of experience. If you rarely ride a bike, the brakes should be adjusted approximately every six months. Have your bike serviced more often if you use it more or more frequently.

    Common brake failures and solutions.

    During every maintenance of the bicycle brake system, it is necessary to check the correct position of the brake components and their function. Full brake adjustment is outside the scope of this article and is not covered here.

    • Malfunctioning brake levers In general, brake levers can malfunction for three reasons:
    • Brakes are not working at full capacity
    • Levers are damaged or dirty
    • Brake pads not close enough to rims
    • Solution 1: Most modern brakes have a so-called quick release mechanism, which allows you to loosen the cables and at the same time not knock down the brake system settings. As a rule, loosening the cables is required in order to spread the brake levers and remove the wheel. Some of these quick-release mechanisms are located on the brakes themselves, while others are located on the brake levers or elsewhere along the entire length of the laid cable. If you find too much play in the braking system, check these quick couplers first to make sure they are not engaged. Solution 2: If everything is in order with the quick-release mechanisms, but the brake levers work poorly or do not work at all, then the problem may be in the levers themselves. they need to be cleaned or replaced. Solution 3: If the first two solutions did not fix the problem, then check how close the brake pads are to the rims so that they can generate sufficient braking force. But before you start adjusting the brakes, check the brake pad wear. Worn brake pads should simply be replaced. If they are okay, try turning the cable adjustment knob counterclockwise, which is located where the cable enters the brake lever (or caliper on a road bike), until you reach the required distance between the shoe and the rim (standard distance 1/8 inches). If the knob of the cable adjustment, also known as the nipple, is twisted to the limit, but the brake pads are not in the correct position, then you better take your bike to an experienced bike mechanic to make a more complete brake adjustment. Whenever you service your bike, ask a mechanic to check the rims that are an integral part of the bike’s braking system. Damaged or improperly adjusted rims or wheels can cause or contribute to brake problems.

    • Improper installation of brakes or brake pads Improper installation of brakes can result in reduced braking performance or squeaking. Typically, the brakes and brake pads are held in place with common bolts, washers and retaining nuts. In most cases, reinstallation is limited to loosening the required nut or bolt and locking the brake in the correct position by tightening the locking bolt. Since each brake has its own design, we do not provide a detailed description of the necessary adjustments. Take some time to familiarize yourself with the mechanisms of your brakes so that you can make basic adjustments if necessary.
    • Insufficient frictional force If the brakes do not provide sufficient braking force after checking the levers and mechanisms, then most likely the braking system will need professional adjustment. But before you send your bike to a workshop for repair, check:
    • Are the rims dirty: Dirty rims will reduce braking performance, even if the brakes themselves are okay. As a solution to the problem, check the rims and clean them if necessary.
    • Worn out or “hardened” pads: Over time, dirt on the rims will cause brake pads to become stiff and slippery, leading to reduced performance. Therefore, check the surface of the brake pads whenever you notice a decrease in braking performance or a squeak. Grind or hardened brake pad surfaces should be replaced or cleaned using the procedure described below.
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    Since a mountain bike is used mainly for a rather aggressive riding style, corresponding malfunctions arise in it. Most often, in this type of bike, the rear wheel suffers. But already repairing the rear wheel of a mountain bike usually comes down to aligning the “eights” and servicing the hub.


    One way or another, first you should thoroughly study the theory, and only after that start practice. A lot of informational material related to bicycle repair is a little scary in its amount. And the accuracy of what is written is not guaranteed by anyone.

    Do not be intimidated, start gradually. First of all, you should thoroughly study your bike, and not understand inside and out in any type of bike. Over time, you yourself will understand which tools are right for you.

    Most bicycle parts are easy to use and maintain. Removing or changing them will not be difficult, and identifying a breakdown in them is also as easy as shelling pears.

    How to adjust all models of bicycle brakes

    Let’s take a look at the main points to consider when repairing a bike:

    • Most of the threaded connections in the bike (as, in general, everywhere else) are unscrewed counterclockwise and clamped clockwise. But there is an exception. this is the left pedal thread. Unscrew the left pedal clockwise and tighten counterclockwise.
    • There are quite fragile parts in the bicycle. You do not need to exert maximum effort when working with spare parts that you have never repaired before.
    • It happens that you cannot remove any part with your own hands or loosen the connection. In this case, it is better to ask a knowledgeable person for help, believe me, this is much better than breaking a bicycle. And in the future, you will already learn how to cope with a problem area, and intervention in this node will no longer require additional help.
    • If you are about to fix your bike, it’s best not to rush. Repair done in a hurry usually requires another repair.
    • Prepare a place to work. It is better if it will be a specially equipped corner in which you will keep clean and use high-quality devices for lighting. Although repairing your own bike is not a daily painstaking work, it is better to do it in a special place.


    It’s no secret that the bushing may contain bulk bearings and industrial bearings. The bushing needs service, immediately after it starts to make sounds that were not previously observed, turns tight, etc.

    Bush with loose bearings. In a regular bike, the lubricant changes after 1000-2000 km, and even more often for a mountain bike. To lubricate the rear wheel hub, you need to dismantle the bicycle wheel from the frame, removing the camera and tires is already superfluous, they do not interfere.

    Since you are carrying out the operation of repairing the bushing in the rear wheel of the bike, you cannot do without a whip for removing and a cassette puller. It is necessary to remove the eccentric, unscrew the axle nuts with a wrench. After that, you need to pull out the axle, and after it carefully remove the bearings, tweezers will help you in this matter.

    The next step is to thoroughly rinse the bearings, you need to remove all traces of the old grease (white spirit, alcohol or gasoline), of course, you need to wipe the cone and the wheel axis of the bike itself, and of course, the bearing seat inside the bushing.

    Be careful, if the condition of the bearings is in doubt (there is visible deformation), they must be replaced with new ones. In addition, attention should be paid to the hub axle itself, because aggressive riding on a mountain bike can lead to the curvature of the rear axle.

    When everything that was written earlier is completed, you should grease the place where the bearings sit inside the bushing with a thick lubricant and carefully, in turn, install each bearing in its place. Then, on top, we lubricate the bearings again to ensure a smooth ride.

    Well, now you can install the axle in place and tighten it with nuts. The nuts do not need to be tightened with all their strength, just enough so that the wheel does not dangle in different directions.

    Bushing with industrial bearings. To remove the axle, you will have to knock it out from the side of the drum. Most often, after knocking out, one bearing remains on the axle.

    The next step is to knock out the second bearing with a screwdriver. Now you need to remove the drum. Then wipe each seat. If the bearing needs to be changed, then we do it. Then we install all the components in their places.


    If there is a curvature of the rim, then fixing this is not as difficult as it seems at first glance, and a spoke wrench will help you with this. A wheel of the “eight” may look like this due to the weakening of the spokes due to aggressive driving, for this reason, they periodically require that they be tightened.

    How to Repair V-Brakes on a Bicycle

    To tighten a weakened spoke, you need to wield a spoke wrench in the clockwise direction, and to loosen the spoke, you need to twist in the opposite direction.

    How to Adjust Your Bike Brakes the Easy Way

    It should be noted that with the help of the spoke wrench we rotate the nipple, and the spoke does not move at this moment. You need to find a place on the wheel where it is crooked.To do this, you can use chalk and rotate the tire.

    When the place of curvature is found, the needles should be tightened on one side, and loosened with the arc, moreover, the tightening and loosening should be the same.


    Few people know how to repair a bicycle, since in most cases it is necessary to carry out complex repairs that require knowledge and experience. In this article, we’ll talk about home bike repairs that any cyclist can do. And in order to greatly facilitate the process, we will make a stand for repairing a bicycle with our own hands.

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    Anyone who is wondering “how to fix a bicycle?” Should raise their level of engineering skills in bicycle repair a little by reading a good book on the topic. An easier option is to find this information on the Internet.


    Being engaged in self-service of the bike, sooner or later comes the realization that the bike rack will make life much easier. Even performing gear adjustments or cleaning the chain without a stand is irritating. It is as a result of this that a do-it-yourself bike repair stand was made.

    • Supermarket trolley;
    • Metal tube Ø 47 mm;
    • Metal tube Ø 60 mm;
    • Metal inlet Ø 10 mm;
    • Metal corner 25 x 25 mm;
    • Metal corner 34 x 34 mm;
    • Rubber 30 mm thick.

    So the base of the stand is the bottom of the supermarket cart. Weld a thick-walled tube Ø 47 mm to the base at an angle of 90 °.

    Now let’s move on to the bike securing unit. To start the blank. You will need to cut off 2 pieces from the tube and a piece of round timber made of metal. The diameter of one of the pieces must exceed the diameter of the tube, which was used as a vertical stand, that is, 60 mm.

    The tube-in-tube principle allows you to adjust the vertical position of the bike. Round timber is welded to a wide piece of pipe. Next, you need to cut a piece of the tube along, and weld on the fastening “lips”.

    We get a cut tube with “lips” on the round timber. This will make it possible to change the angle of the bike relative to the horizon.

    Now we make a shelf for tools and parts. To do this, we weld a corner 25 by 25 to the legs of the cart just above the wheels in the form of a parallelogram. One corner is even used as an additional base for a vertical pipe.

    The joint between the pipe and the corner must be boiled. Slightly higher to the legs of the base, weld 2 corners under the upper shelf. To strengthen the structure, we weld 2 corners with a metal rod.

    For the same purpose, we weld a diagonal lintel from the bottom point of the vertical tube to the top point on the base frame. To prevent the front wheels from rotating, we weld their hinges using a jumper. After that, you need to cut the shelves themselves, from plywood and install them.

    Now let’s grab the locking knot again. We take a couple of thick-walled metal plates and drill in the middle. We weld one end of the plates with a 35 mm angle. The bike frame will be attached between these corners. The other side of the plates is connected by a hinge.

    Then one plate is welded to a horizontal tube with a longitudinal cut. In the holes in the “lips” we insert a “finger” for compression, which can be removed from the Soviet assembly bike.

    After welding, we attach the rubber to the inner sides of the corners to better fix the bike frame.

    One wheel must be locked to avoid movement during operation. This is done by welding the nut to the wheel joint and screwing in the bolt.

    That’s all, the rack is ready, now there is only painting left.

    Shifters and cables

    Maintenance of shifters consists in regularly cleaning the mechanism and replacing the lubricant with a new one, and since this mechanism experiences low loads, it is enough to service it once a season. It is important to pay due attention not only to the shifter itself, but also to the cables, rubbing them with oil and guaranteeing a soft slide inside the mechanism.

    Steering column

    The nuances of the column bulkhead process directly depend on its type: if in integrated columns operating on industrial bearings, it is enough to carry out a timely lubricant change, then for a semi-integrated ball bearing column it is necessary to replace worn balls on time. A clear signal to replace a part is considered to be the characteristic creak of the head tube and difficulties with turning the wheel.

    We sort out the bike ourselves: instructions for the kettle

    Starting to sort out a bike, you need to be prepared for the fact that every detail in it will require attention and sufficient knowledge about its structure.

    The process of caring for a frame is, first of all, keeping it clean. That is why it is extremely important to completely clean the frame of foreign dirt and dust before rebuilding the bike in order to avoid problems with dirt particles getting into the working mechanisms.

    TIP! Washing under running water with a soft sponge and soapy water is ideal for preparing the frame for bulkhead.

    Inspecting the most delicate and damaged areas for cracks or chips is a necessary step to avoid future problems. Experienced cyclists advise that the following parts are especially carefully inspected: head tube, bottom bracket tube, rear suspension and upper stays of the rear triangle. If scuffs or chips of paint are found on the frame, then they must be quickly painted over: spray paint does an excellent job with this task.

    Two Wheel Friend Lubricants

    A bicycle is a complex mechanism that requires regular, gentle lubrication to ensure that all parts work properly. The bike enthusiast should know what to lubricate (and this is the carriage, and the hinge units, and bearings, and the bushing, and pedals) and what exactly to lubricate (for each part, only a special lubricant should be used).

    The following lubricants are used to lubricate the bicycle:

    • The aerosol is suitable for treating articulated joints, as well as chains and cables in the event that emergency care is required and there is no time for full lubrication.
    • Liquid lubricant (for example, I5A oil) is intended for the chain and drum of the rear hub. The peculiarity of such a lubricant is point application, which makes it a preferable option. But for riding in the cold, it is not suitable, since it quickly hardens in the cold and makes it difficult for the mechanism to work properly.
    • Grease is more suitable for lubricating bearing assemblies and threads.

    Wheels: hubs, rims and spokes

    Since the wheels are considered to be the most loaded part of a bicycle, a little more attention should be paid to them. A timely bulkhead and bicycle maintenance guarantees not only comfortable riding, but also a long service life of the mechanisms. Bushings with industrial bearings can rarely be sorted out, once every two seasons is enough: this can be explained by a large margin of safety. But mechanisms with ball bearings should be sorted out once a season in order, if necessary, to replace balls with dents or scuffs.

    In pursuit of bike lighter weight, manufacturers often skimp on rims, making them less and less durable. This can lead to such an unpleasant phenomenon as the beating of the rim: for example, the traditional axial (figure eight) or radial (in which the wheel resembles an egg). This problem is fixed using a special key for the spokes: after removing the tire, the spokes are pulled in the opposite direction from the curvature.

    TIP! In this case, it is important to tighten the spokes on one side and loosen them on the other: this will guarantee the normal rigidity of the wheels.

    • Is your wheel bent and don’t know how to fix it? The article “How to fix a figure eight on a bicycle wheel” will help you.
    • How to tighten your bicycle spokes. Discover.

    Braking system: calipers, hydraulic lines, brake levers

    Since brakes are a guarantee of traffic safety and preservation of the life of the cyclist, timely care of the brake system can be considered essential in the process of rebuilding a bicycle. It is carried out in three directions:

    • Bulkhead calipers, checking the condition of the pistons and replacing them, if necessary, with new ones. Difficulties in the work of calipers are noticeable to the naked eye: usually it is not strong enough and too long braking and the failure of the handle. Identifying the cause and eliminating it will solve all problems.
    • The design of the brake lever is primitive: the body, the handle and the piston. but there can also be difficulties here, for example, with o-rings. If necessary, the craftsmen replace both the pistons and the O-rings.
    • Bleeding brake fluid in the brake lines is a normal process for rebuilding a bicycle. Loss of homogeneity of the pumped liquid can lead to disruptions in the adequate operation of the braking system, and a timely replacement guarantees the safety of the cyclist and reliable operation of the entire brake system.
    • A reliable brake is the key to your safety. Learn how to adjust and tune your brakes. Discover.
    • Are your bike brakes squeaky? Find out how to get rid of this problem.
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    How to make a complete bike repair and maintenance

    It is extremely important for the owner of a bicycle to know that his transport is constantly in good condition. The life and health of the owner may ultimately depend on how reliably the bike works, because suddenly the brakes fail suddenly can provoke an accident. It is possible and necessary to turn to professionals, but in the life of every cyclist there comes a moment when a critical mass of knowledge about the structure of a bicycle has been reached and you can do routine maintenance and minor repairs of the bike yourself. To make the bulkhead process as smooth as possible, and the bike only gets better, you should follow these tips.

    Transmission service

    After the brake pads, the chain is the second bicycle element that needs to be changed periodically as it wears out. High-quality bicycle chains from global manufacturers are capable of covering several thousand kilometers. over, they need to be serviced in a timely manner.

    Modern manufacturers produce chains with specially designed locks that are quick, easy to dismantle and that securely hold the chain while moving. The cyclist can easily remove it by himself in one motion on the way. Then you can change the chain to a new one to immediately continue driving or repair it. In the absence of a lock, use a special squeeze from the repair kit.

    The very principle of service provides for periodic cleaning of important components from old grease and accumulated dirt. In this case, the interior space between the chain rollers is lubricated with liquid oil. The final touch of maintenance is adjusting the correct chain tension.

    Bearing wear

    The most intense wear is observed in the nodes: bushings, ratchet, carriage, pedals, rear derailleur rollers. The bearings of the steering column and rear suspension hinges suffer less. All of the above units should be regularly sorted out, the clips and balls should be cleaned of old grease. Apply new grease, this will extend the life of the bearings.

    If the bearing assemblies are seized, the bearings must also be replaced with new grease. Then, machine the landing sleeves, bearing shafts, bearing rings.

    DIY bike repair

    The network is replete with many articles on cycling topics about care, repair, love for your bike car. Our article is devoted to all, without exception, the components of this wonderful technique: mechanisms, assemblies, details. The material is quite extensive, but that’s good. When you have such instructions, you will no longer look for additional information elsewhere.

    By reading this manual periodically, you will gain basic concepts. You can learn how to repair a bicycle with your own hands only by studying a lot of articles, technical details, delving into the complexity of the design and mechanics of a two-wheeled car. One article is physically not able to fit all the variety of this technical means.

    When you ride your bike every day, you expose to wear and tear on almost all components, assemblies, mechanisms. This means that it is necessary to be serviced in a specialized workshop or by an experienced professional. However, having familiarized yourself in detail with the device, the principle of operation, the interchangeability of each bicycle assembly, this simply disappears.

    The beginning of the use of a bicycle is associated with such a phenomenon as the initial running-in of units, parts, mechanisms. All rubbing surfaces are in contact with each other. Chips are generated as a result of imperfect machining. Lubrication, oily substances, which are abundantly stuffed with friction points and bearing assemblies, are places for the collection of a colossal volume of microchips.

    At first glance, this is how it should be. the lubricant acts as a “cleaner”. However, in case of untimely maintenance, the accumulated metal microparticles, together with the oil “porridge”, begin to work as an abrasive paste. Due to the increase in the coefficient of friction, intensive wear of the surfaces rubbing in this dangerous substance begins.

    repair, brakes, bicycle, your, hands

    The value of the coefficient of friction can increase several times. This is directly affected by the duration of the intervals between the scheduled maintenance of your metal horse. After performing the first service, then you can adjust the frequency of preventive and repair measures at your discretion.

    After removal of abrasive microparticles, replacement of lubricants, the coefficient of friction will significantly decrease. The suspension of the car will begin to swallow better all road irregularities, even small ones. The brake will return to normal, stopping you like a railroad crane. Your bike’s total mileage will increase significantly. Accordingly, the overhaul intervals can be extended depending on its technical condition.


    The system, like many other mechanisms of your iron friend, should be regularly cleaned with a flannel cloth soaked in solvent. During installation, the sprockets must be located relative to each other. The large sprocket is made so that there is a special pin or pin on its outer side. It must be placed opposite the crank.

    This pin acts as a safety guard against the chain falling off the sprocket. The small and medium sprockets face the crank with their inner teeth. The pin of the middle sprocket is looking at the carriage. This arrangement is extremely important for the synchronous operation of the entire drive train.


    A cassette is a set of sprockets. Each of them is pressed onto the bushing drum, which is made with splined grooves. Usually there are 7 gears in a set. Their fasteners are made on a spider. Sometimes an additional 1-4 stars are included as an add-on. The cassette is capable of functioning as part of a bicycle for a longer period than a chain, but less than a system.

    The cassette is serviced by cleaning with a solvent and a soft flannel cloth. This removes dirt accumulated on the surfaces of metal parts, in cavities and joints. Dismantling and installation of the cassette is carried out using a special puller. With this device, DIY repair does not look like a complicated process.

    Brake wear

    Brake pads are the first to wear out on a bike. In this case, the braking force is naturally reduced on any road surface. The pads must be replaced as they wear out. In the pistons of a brake caliper, sometimes mistakenly referred to as a caliper, dirt, sand, and small stones accumulate. As a result, the quality of braking force transmission becomes noticeably lower.

    As a result of wear, air can appear in the hydraulic system. It goes through microscopic cracks in the brake levers or caliper pistons. This defect is eliminated by pumping the system using a special bicycle kit.

    DIY repair tools

    High-quality service maintenance of bicycles, especially of expensive exclusive models, requires the use of good reliable tools, materials, devices. Below is a basic set recommended by cycling experts. It is desirable for every cyclist to have. It is simply impossible to replace this list with any analogs.

    • Set of wrenches.
    • Hex key and socket wrench set.
    • Mallet.
    • A set of pliers. They are required as pullers for removing the circlips. You can use the most common models.
    • Screwdriver set. Phillips, flat, slotted.
    • Scissors, clamps of various sections. They are necessary for crimping hydraulic hoses, mounting equipment in regular places on the frame, fastening electrical cables, and many important structural components.
    • Tweezers.
    • Socket Set with Custom Designed Levers.

    Accessories, pullers, tools

    The list proposed above is basic, without which it is impossible to do. Further, we recommend acquiring convenient, practical products that are not necessary, but can be very helpful when servicing bicycle equipment or when repairing a bicycle. They will become indispensable helpers on the way and facilitate many assembly operations. With these keys, any bike can be easily disassembled down to the bare frame.

    • Chain squeezing.
    • Carriage puller.
    • Sleeve, ratchet wrenches.
    • Cassette remover with Shimano standard brake discs (Center Lock).
    • Spoke wrench that removes wheel defects.
    • High pressure pump.
    • Crank puller.
    • Hydraulic Brake Bleed Clear Tubing Set.
    • Special brush for cleaning the drive chain.
    • Dosing syringe for refilling liquid oil.
    • Measuring glass.
    • Repair kit for damaged wheel tubes.

    DIY bike repair tools