The Dura-Ace R55C4 (BR-9000)high performance brake pads offer the right balance of stopping power, brake modulation and durability. The pads are specifically designed to work with aluminum rims, and the R554C4 compound offers excellent performance in the wet or dry. One pair per brake caliper. Pads for one brake caliper Includes securing screw Consistent Shimano quality and finish Fits most brake calipers One pair Pads only - does not include shoe