It is common for riders to mix and match rotor sizes for increased performance.
Larger rotors provide more stopping power and shed heat faster, but smaller rotors are lighter. Like diesel and gas powered cars, brakes designed for one type of oil do not work with the other.ĭisc brakes come in three standard disc brake rotor sizes: 6, 7 and 8-inch or 160, 180 and 200mm. Mountain bike brakes use two types of braking fluid: DOT fluid or mineral oil. As the price of a brake increases, external adjustments like lever reach, pad contact and stopping power become available. Companies facilitate the selection process by identifying the type of riding each brake model is designed for.ĭownhill brakes provide maximum stopping power with a slight weight penalty, cross-country brakes seek minimum weight, and all-mountain brakes find a balance somewhere in between.Īdjustability is a big determining factor in the price of a brake. Hydraulic disc brake types are differentiated according to their intended riding application, their adjustability, and the type of hydraulic fluid they use. Brakes are an indispensable part of a mountain bike, and upgrading them will noticeably increase your ride's performance. There are also single piston models, and others that use up to six pistons. Most hydraulic disc brakes use dual pistons in the caliper, applying pressure on the rotor from both sides. This creates friction, which slows down the wheel.
This piston pushes fluid through the hose all the way down to the caliper, where a second set of pistons push the brake pads into contact with the rotor. Hydraulic brakes get their power by actuating a piston in the brake lever. A high quality set will give trail riders extra confidence when attacking tricky downhill sections, and downhill riders will greatly benefit from high-end disc brakes.
#Cannondale quick disk break adjustment how to#
How to choose mountain bike hydraulic disc brakes: Hydraulic disc brakes are the most powerful and reliable braking system available for the modern mountain bike.
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