Paul Flat Mount Klamper Mechanical Disc Brake. Features: High power cable operated disc brake caliper with easy adjustability and great modulation Features big ball bearings, needle roller bearing, thrust washer, stiff backing plates. Ball bearing spring plunger locates pad adjusters. Easy dial adjust pads Calipers are sold per wheel, and rotors and adapter are sold separately Short Pull: This version is designed to work with road levers, including Sram, Shimano and combined shifter/brake levers. It also works great with the cantilever or short-pull flat bar brake lever. Made in USA Specs: Model:short-pull Caliper:flat mount 34mm Rotor:separate Color:purple/black Weight:211g