Shimano Ultegra ST-R8170/BR-R8170 Di2 Hydraulic Disc Brake/Shifter Set 2x12 Speed Size:Left/Front Shimano Dura-Ace R9170 C40 Disc

Shimano Dura-Ace R9170 C40 Disc Carbon Tubular 700c Wheelset

The 3 slot base with 4 threaded holes provides additional adjustment and mounting options vs the B-RAD 2

it’s a chamois that will be equally comfortable for those long trail rides or 45 minute power turbo sessions

So you stay cool and dry

Shimano Ultegra ST-R8170/BR-R8170 Di2 Hydraulic Disc Brake/Shifter Set 2x12 Speed Size:Left/Front Shimano Dura-Ace R9170 C40 DiscYour 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. BR R8170 disc brake caliper brings a new level of control to the road cycling world with improved modulation and a quicker initial braking point. Despite its