SHIMANO J04C Metallic Disc Brake Pad Material: [base plate] stainless steel, [cooling fins] aluminum, [pad] metallic Compatibility: Shimano XTR BR-M9000, Shimano XTR BR-M9020, Shimano XTR BR-M987, Shimano XTR BR-M985, Shimano Deore XT BR-M785, Shimano SLX BR-M675, Shimano Deore BR-M615, Shimano BR-RS785 Recommended Use: mountain bike