The new L05A-RF resin brake pads with cooling fins from Shimano for Dura Ace, Ultegra, 105 and GRX 2 pistons Flat-Mount disc brakes offer better wear resistance than previous models. With a well-estimated braking force for regular braking, synthetic resin pads offer reduced noise when braking in dry and wet conditions.Pad compatibility L05A: BR-M8170, BR-M8110, BR-M7110, BR-R9170-F, BR-R9170-R, BR-R8070-F, BR-R8070-R, BR-R7070-F, BR-R7070-R, BR-4770-F, BR-4770-R, BR-RS805-F, BR-RS805-R, BR-RS505-F, BR-RS505-R, BR-RS405-F, BR-RS405-R, BR-RS305-F, BR-RS305-R, BR-U5000-F, BR-U5000-R, BR-RX810-F, BR-RX810-R, BR-RX400-F, BR-RX400-R The Shimano L05A Resin disc brake pad in detail:Pad shape: NarrowPAD TYPE: 2 pistons Flexible compoundLess noiseFocus on controllable performanceDesigned for dry and wet conditionsSuccessor model to the L03ADiscipline: RoadQuantity: 1 pairPad composition: Resin