STONE Anello Catena BCD110 4 Bracci per SHIMANO R7000 R8000 DA R9100 Anello Bici da Strada N/W
4 arms, Fit for 105 R7000 Ultegra R8000 Dura ace R9100 crank, single speed,can not use for double chainring. Designed for SHIMANO dura ace R9100, and Ultegra R8000. Shape: CIRCLE chainring, hollow model.