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