Replacement DO6.Z caliper for Tektro Twin brakes with a 5.5mm hose. Please note, this caliper is reversed fits on the right hand wheel of three wheeled bicycles ie tricycles, cargo bikes, mobilty tricycles etc. It will not fit on the left hand side of a bike. Fits the Tektro HD-E745 Auriga+ Twin right side and Tektro HD-T745 Auriga+ Twin right side. Comes supplied with brake pads.