Shimano BR-RS305 Mechanical Disc BrakeThe SHIMANO RS305 mechanical disc brake is easy to control as well as set up and maintain. It mounts via SHIMANO's Flat Mount interface. BENEFIT Easy to control and clean appearance with stable brake performance for ordinary riders FEATURE Heat management system TECHNOLOGY ICE TECHNOLOGY pad with fin FEATURE Low profile disc caliper TECHNOLOGY SHIMANO Flat mount system BENEFIT Easy set up and maintenance FEATURE Wide pad clearance FEATURE Easy tool