Suitable for Shimano Nexus 3, 4, 7 and 8v. Easily adjustable braking force and it has about 40% better wear resistance compared to K03S Specifications: Color: silver Material: aluminum Model: disc brake pad Braking system: disc brakes Suitable for the following brake models, among others: BR-M9100 BR-R9170 BR-R8070 BR-R7070 BR-4770 BR-RS805 BR-RS505 BR-RS405 BR-RS305 BR-U5000 BR-RX810 BR-RX400