[4 piston hydraulic brakes]This hydraulic brakes for mountain bike is the best Upgrade kit from mechanical disk brake, zoom hydraulic brakes caliper have 4-piston oil pressure which is more braking capacity than 2 pistons, helping you braking easier, keep you safey
[Quiet braking] Our MTB hydraulic brake set adopt integrated hydraulic cylinder to prevent oil leakage, the hydraulic disc brakes pad is made of resin-metal composite pads, which not only ensures quiet when braking, but also protect your bicycles disc rotors
[Compatible most bikes]hydraulic disc brakes for mountain bike suitable for most mountain bikes, electric ebikes, fat tire bike,folding bike,scooter (You only need to consider whether the line is long enough)
[Easy to install]hydraulic bike brakes uses mineral oil fluid(pre bled), unboxing ready to install and use. Please do not remove the yellow pad pinch the brake lever before installation, otherwise it will cause oil leakage.
[Brake size]for this bike hydraulic brakes, left side controls the front, back side controls the rear, fits the habit of most people. cable of front is 800mm, cable of rear is 1400mm.