Bike Brake Cable Assembly
Adjusting the rear brakes on a bicycle
In theoretical terms, everything seems to be clear. Three parameters, three actions, and only one result. well-tuned brakes. Once again, this is in theory. In fact, it is difficult for beginners to do everything perfectly. Adjusting rim brakes on a bicycle is a delicate thing. So you need to be patient first.
So the first step is to adjust the pads. They should be parallel to the rim on both the rear wheel and the front.
Especially do not tolerate the striking of this element on the tire. A couple of kilometers. and the rubber will be frayed to holes. It is undesirable for the block to also go beyond the boundaries of the wheel. From this, it is quickly erased, but there is no desired effect (good inhibition). Therefore, it is so important to correctly adjust the position of the brake pads. Adjusting a mechanical brake on a bicycle begins with the selection of tools. You will need: a hexagon, a screwdriver and a 12 key. For rubber clamps, you should take only a hexagon. It is worth starting by holding the brake lever. This will push the pads against the rim. After examining the situation, you can immediately see where something is wrong. Use this tool to loosen the washer. Then, while also holding the brake lever, align the rubber clamp in the desired direction. The same is worth repeating on the other side. This is just the first step towards a perfectly tuned brake.
Varieties and models of bicycle brakes
Brake adjustments on a bicycle can vary. In each situation, it is worth looking at the type of braking system. Most often, cheap bicycles are equipped with mechanical rim brakes, or, as they are also called, V-brakes.
Hydraulic disc brake
Adjusting the brakes on a hydraulically equipped bicycle is difficult. To do this, you need to have special tools and special skills. But you can do everything to prevent breakdowns. Prevention will help the hydraulics not break down and serve the owner for a long time.
Types of brakes
The choice of suitable bicycle brakes depends on the mode of operation and financial capabilities. So, discs are considered the most expensive, v-brake is a more economical option. The hydraulics and rim system do their job well too. Each variety has its own advantages and disadvantages.
What tools will be needed for adjustment and installation
Caring for the braking system is the primary responsibility of every cyclist. The comfort of riding, the safety of the athlete and the people around him depends on the state of the mechanisms. Full maintenance of the structure is impossible without special tools:
- screwdrivers. Phillips and flat-head screwdrivers are required;
- a set of wrenches or special bicycle accessories;
- wedge gasket. serves to adjust the gap, it is relevant in the presence of soft type brake pads without metal elements;
- bike caliper, adapters, pads, lever;
- rotor, a set of hardware;
- clamps for fixing the cable to the frame.
Special bike kits are ideal for installing and adjusting the brake mechanism. If they are not there, you will have to select the tools separately. Before starting work, you need to find a suitable free space, put the bike in a comfortable position, prepare everything you need, lay it out next to it. In such conditions, installation and configuration will take much less time.
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How to install on a bike yourself
Installing a brake system on a bicycle is not difficult for men who are tech-savvy. The work consists of several stages:
- all attachments, including wheels, are removed from the bike;
- the brake levers are securely fixed, the caliper must be tightened with hexagons, the brake line. with clamps;
- wheels and all other parts of the structure are installed in their original places.
The rear, front and manual mechanisms are subject to adjustment. Adjusting the v-brake system involves changing the cable tension, as well as the geometry of the pads attachment. Rim brakes are easy to set up due to their open design. In most cases, the process consists of replacing damaged items.
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Disk systems are rarely adjusted. Implies checking the condition of the handle, gear, pad. If the rotor is damaged, there are chips, cracks on its surface, it is pointless to adjust the mechanism, you will have to replace it.
Hydraulic brakes are popular with professional athletes. The adjustment process will be the same as for mechanical ones. The only difference is the work with brake fluid, which must be vented in cold weather to improve the pad travel.
Mechanical types of brake systems sometimes need to adjust the angle of contact of the pads. The element must be parallel to the rotor. This will help increase the life of the mechanism.
How to set up rim brakes
Vibrators do not lose popularity. Ease of maintenance, cheap consumables and unpretentious operation. an excellent option for those who use the bike primarily for moving, without extreme and overloading.
The principle of operation is simple. when pressed, the brake lever pulls the cable (G), which moves the brake levers (I), pressing the pads (J) attached to them against the wheel rim. When the handle is released, the levers return to their original position, installed on them by springs. In this article, we will analyze how to set up and adjust rim brakes:
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.
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We set the levers symmetrically
In order for the left and right pads to wear evenly, they must be at the same distance from the rim. Adjustable by spring tension on the brake levers. To equalize the force that returns the left and right brake levers to their original position, use the adjusting bolts located at the base of the levers.
By twisting the bolt clockwise, we tighten the spring, unscrewing it. weaken it. By pressing and releasing the brake, we check the uniformity of the removal of the pads from the rim. Tighten the bolts on the left and right sides until the pads move the same distance when the brake lever is released.
Adjusting the rim brakes
Mountain bikes use a v-brake braking system. by its example, we will consider the principles of tuning, as it is also available on other bicycles with rim brakes. The difference can only consist in a different arrangement of bolts and screws that will need to be tightened / tightened.
Note: it is important to observe three main rules:
- the pads should be parallel to the rim;
- the gap between the rim and the block should not be more or less than 1 mm;
- the pads should be symmetrical in relation to each other.
How to achieve these guidelines when adjusting rim brakes on a bicycle:
- You need to find a hex nut. it fixes the pads. To loosen it and set the brake pads in the desired position, you will need to press the brake lever and watch how the shoe touches the rim. By releasing the brake lever, the shoe can be set to the desired position. it moves up, down and at an angle.
- The distance between the block and the rim of the wheel should not be more than 1 mm, although in some models of bicycles there are also 2-3 mm. exact information about a particular vehicle can be obtained either from the instructions for it, or on the Internet for technical characteristics. It should be noted that braking of the wheel should occur even with the minimum pressing of the brake lever. That is, if the wheel stops only when the brake lever is fully pressed “all the way”, then this is incorrect.
After carrying out all the specified work, it is imperative to check the operation of the brake system. First, this is done at idle speed. lift the front wheel up, spin it up and press the handle sharply, then do the same with the rear wheel. The next step is to check the operation of the brake system “in action”. get on the bike and ride 3-5 meters, braking sharply. If the bike stops even when the brake lever is pressed slightly, then the system has been serviced correctly.