R8170 Ultegra Di2 Shifter and Brake Type:Right/Rear Thanks to the elasticized bottom

Thanks to the elasticized bottom hem

The Cinturato Velo TLR tire utilizes the experience and reliability of SmartNET Silica technology

Battery Type: Lithium Polymer

Rounded profile with vertical channels to enhance cornering characteristics

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

R8170 Ultegra Di2 Shifter and Brake Type:Right/Rear Thanks to the elasticized bottomYour 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