R8170 Ultegra Di2 Shifter and Brake Type:Right/Rear Cold forged and CNC machined

Cold forged and CNC machined from 6061-T6 aluminum alloy

Protects the vehicle with vinyl-coated buckles that provide a firm hold

but we’ve added a few details that make it perfect on the bike as well

Weight: 27 grams

R8170 Ultegra Di2 Shifter and Brake Type:Right/Rear Cold forged and CNC machinedYour time on the bike is precious, let Shimano make it even better. 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. The BR R8170 hydraulic 2 piston disc brake caliper brings a new level of control to the road cycling world with improved modulation and a quicker initial