resin Compatibility: BR-M9100, BR-M9110, BR-M8110, BR-R9270, BR-R8170, BR-R9170, BR-R8070, BR-R7070, BR-4770, BR-RS805, BR-RS505, BR-RS405, BR-RS305, BR-U5000, BR-RX810, BR-RX400 Compatible series: XTR M9100 Group, DEORE XT M8100 Group, DURA-ACE R9150 Group, ULTEGRA R8050 Group, SHIMANO 105 R7100 Di2 Group, SHIMANO 105 R7000 Group, TIAGRA 4700 Group, METREA U5000 Group, GRX 11-speed, GRX 10-speed, CYCLOCROSS/DISC BRAKE FOR ROAD BIKES, SHIMANO, GRX 12-speed