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Mechanical and Hydraulic Disc Brakes

Mechanical and Hydraulic Disc Brakes

Incredible modulation with the braking power demanded by today's mountain bikes. We stock a wide range of disc brakes that are mechanical or hydraulic. Browse through our wide selection of disc brakes from Avid, Hayes, Hope Technology, Shimano and Tektro.

How to choose the right disc brake

Disc brake
Fig. 1 - Typical disc brake
Disc brakes are gaining in popularity. This style of brake (Fig. 1) works by squeezing brake pads against a rotor mounted on the bike's hub. Because disc brakes offer more powerful braking, they are typically used on more aggressive bikes, such as those used for downhilling and freeriding. Some systems are actuated by a steel cable, while others use hydraulic fluid.

Since the rim surface is no longer used as a braking surface, rims on disc brake bikes can typically be stronger and/or lighter than conventional rims.

Identifying brake bosses
Fig. 2 - Identifying brake bosses
In order to use disc brakes, your frame or fork must have appropriate mounting holes (Fig. 2). You'll need a set of discs which are compatible with your frame's mounting holes. Additionally, your hubs must be disc brake compatible so that the rotor can be mounted. Disc brakes are typically sold as a set which includes the calipers, rotor, and brake lever.

There are two predominant types of disc brake mounts. One is the international standard 51mm mount and the other is a 74mm "post" mount. The measurement of each mount is the distance in millimeters between the center of bolt mounting holes. If your bike or fork has one type of mount and the disc brake caliper you would like to install has another type of mount, an adapter will be needed to mount your brakes.

How to install Avid disc brake pads

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