NOTE Please distinguish between left front right backleft back right front EASY BRAKINGBicycle Hydraulic Disc BrakeThreeDimensional oil Cylinder Easy To Deal With Steep Slopes offRoad And Forest Roads In The Most Complex Road Conditions You Can Brake With A Single Pinch Widely Compatible Suitable for mountain bike road bike scooter folding bikes You only need to consider whether the tube is long enoughNOTE Front Tube Length 800mm Rear Tube Length 1400mm DURABLEMountain Bike Hydraulic Brake SetHighStrength Aluminum Alloy Brakes The Calipers Are Not Easy To Be Damaged and More WearResistant The Resin Pads Have Good Heat Dissipation and Braking Effects Reduce Maintenance Times Lightweight Design and More Secure And Safe Riding FOURPISTON DOUBLEBRAKEThe oil Plug Directly Transmits The oil Pressure To The Brake Block To Keep The Brake Stable And Make The Brake Transmission More Efficient Hydraulic Disc BrakesFlexible Control Convenient Braking NonSlip And Not Let Go THREEFINGER BRAKE HANDLEbut The ThreeFinger Brake Handle is Designed According To The Human Body Bicycle Brakes Is Easy To Operate And It Conforms To The Usage Habits If You Have Any other Questions You Can Contact Us And We Will Help You Within 24 Hours