Magura Master Cylinder Handlebar Clamps. Features: Master cylinder lever-to-bar clamp bolts/nuts Handlebar clamps are compatible with all MT series brakes MT series bar clamps do not include clamp bolts(nuts). USE: MU-8583 for MT series clamp bolts, which are actually nuts to be specific Specs: Model:12+ MT series Material:aluminum Description:handlebar clamp Color:neon yellow Package:each