Compatible with Shimano Road Brake Systems. Replacement rubber pads are available for this aluminum cartridge system Our most popular inexpensive road cartridge brake shoe. Works with most brake calipers. Stainless steel cartridge brake shoe set Designed without a wing for easier installation Angle adjustable (toe-in)Compatible with Shimano Road Brakes including BR-3300 (R50T, M50T), BR-4500 (R50T2) Superior braking performance Higher Power Excellent wet weather control Compatible with Shimano Road Brake Systems including Dura Ace, Ultegra, 105 SC Product Code: OBE-R11ARn4