The Tektro HD-T280 disc brake and lever set is an open system, 2-piston hydraulic post mount brake that's a great fit for both MTB and urban bikes. Forged aluminum 2-piston caliper includes low noise pads and uses non-corrosive mineral oil with excellent heat expansion properties 3-finger aluminum lever blade with cast aluminum one-piece clamp is durable and lightweight Reach adjustment allows riders to get their desired fit 86-90mm reach Easy installation, adjustment and maintenance 5 x 1900mm brake hose Disc brake rotor sold separately Specifications Adjustable ReachYesBrake Caliper TypePost MountBrake Lever ActuationHydraulicBrake Lever UseLeftColorBlackHydraulic Fluid TypeMineral OilHydraulic Hose Length1900Pad CompoundResinRotor IncludedNoWeight335