BUCKLOS Zoom Mountain Bike MTB 4 Piston Hydraulic Disc Brakes Set - Left Front 850mm Right Rear 1550mm Hydraulic Brake Aluminum Alloy Lever with Caliper is/PM Adapter Fit EBike/Fat Bike(Pre-Bled)

4 piston Hydraulic Disc Brakes: Bucklos hydraulic brakes for mountain bike is the best Upgrade kit from mechanical brake,. Zoom hydraulic brakes caliper have four piston oil pressure , helping you braking easier, keep you safe. Quiet Braking: Bucklos hydraulic bike brakes adopt integrated hydraulic cylinder to prevent oil leakage, The brake pad is made of resin-metal composite pads, which not only ensures quiet when braking, but also protect your disc rotors. Fit Most Bikes: Bucklos zoom hydraulic brake set is suitable for mountain bike, MTB, road bike, electric bike, e bike(e-bike), scooter, folding bikes, fat bike, bmx etc. (You only need to consider whether the tube is long enough). Easy to Install: Bucklos zoom hydraulic brakes uses mineral oil fluid(pre bled), unboxing ready to install and use. Please do not remove the yellow pad pinch the brake lever and before installation, and otherwise it will cause oil leakage. Brake Size: For this hydraulic brakes set, left side controls the front, right side controls the rear, fits the habit of most people cable of front is 850 mm, cable of rear is 1550 mm