Shimano Ultegra ST-R8170-RE Di2 Shift/Brake Lever - Right, 12-Speed, Black 2010 and vertical compliance

and vertical compliance

and confident engagement in tough conditions

and precise handling in a modern all-around package

while the powerful SRAM G2 R brakes offer reliable stopping power

this bike offered superior power transfer and responsiveness

Shimano Ultegra ST-R8170-RE Di2 Shift/Brake Lever - Right, 12-Speed, Black 2010 and vertical complianceShimano's Ultegra ST R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better.