Shimano offers a range of road disc brakes without compromising on quality and performance. The BR-UR300 hydraulic disc brake caliper is designed for road and gravel bikes. It is compatible with carbon or aluminium Flat Mount (standard) frames. Although this caliper is positioned at the entry level of Shimano's range, it will guarantee you progressive and powerful braking in all conditions.Technical specifications Hydraulic disc braking Road and gravelRoad and gravel Organic pads (supplied) Rear flat mount Mineral oil