Shimano Ultegra ST-R8170/BR-R8170 Di2 Hydraulic Disc Brake/Shifter Set 2x12 Speed Size:Left/Front Specialized Roubaix SL4 Expert 56cm

Specialized Roubaix SL4 Expert 56cm Bike - 2015

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

Surface wear to brake arms from use

the SRAM Force eTap AXS wide front derailleur provides consistent

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

Shimano Ultegra ST-R8170/BR-R8170 Di2 Hydraulic Disc Brake/Shifter Set 2x12 Speed Size:Left/Front Specialized Roubaix SL4 Expert 56cmYour 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