Clarks Shimano BR-RS805 BR-RS505 Disc PadClarks Organic Brake Disc Pad (VX862C)These organic pads from Clarks are ideal for use under normal riding conditions, working seamlessly with Shimano Ultegra mechanical disc braking systems for efficient stopping and slowing when you need it most. Featuring an organically constructed compound, each pad brings your wheels to a halt with significant 'bite' and reduces your speed with minimal noise for as clean a brake as possible. Features: Material: Pad: Organic Compound Brake Type: Disc brake Compatibility: Shimano Ultegra BR-RS505, Shimano Ultegra BR-RS805 Buy Clarks Components from Chain Reaction Cycles, the World's Largest Online Bike Store.