Shimano Dura-Ace BR-R9170 disc brake caliper SM-BH90 Flare Nut Unit. This nut unit can be used with the ST-R9270, ST-R9170, ST-R9120, ST-R8170, ST-R8070 & ST-R8020 shifters.
- Shimano Dura-Ace BR-R9270
- Shimano Ultegra BR-R8170
- Shimano Ultegra BR-R8070
- Shimano 105 BR-R7170
- Shimano 105 BR-R7070
- Shimano Tiagra BR-4770
- Shimano GRX BR-RX810
- Shimano GRX BR-RX400
- Shimano Dura-Ace BR-R9270
- Shimano Ultegra BR-R8170
- Shimano Ultegra BR-R8070
- Shimano 105 BR-R7170
- Shimano 105 BR-R7070
- Shimano Tiagra BR-4770
- Shimano GRX BR-RX810
- Shimano GRX BR-RX400