Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Rear, 12-Speed, Flat Mount, Black Fork & Shock Tools Bluetooth low energy technology and

Bluetooth low energy technology and ANT+ wireless data transfer

166526-Q0-L

SP4380 HB4263

Extended lower and side of knee cap padding

1-1/8` Upper

Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Rear, 12-Speed, Flat Mount, Black Fork & Shock Tools Bluetooth low energy technology andThe Shimano 105 ST R7170 Di2 Shift Brake lever features Di2 electronic shifting for precise, intuitive gear changes to even more riders. The 105 BR R7170 caliper features the Shimano Flat Mount System and its low profile design that is ideal for road bikes. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics Creates a clean cockpit with wireless connection and enhances the aesthetic of your bike while keeping