Replacement HM6.X caliper for Tektro brakes using a 4-piston caliper and 5.0mm hose. Fits the Tektro HD-M535 Gemini SL, Tektro HD-M530 Gemini, Tektro HD-T5040, Tektro HD-T535 Volans and Tektro HD-T532 Volans. Comes supplied with brake pads.