Shimano ST-R8170/BR-R8170 Ultegra Di2 Shift/Brake Lever/Disc C Type:Front or relaxing after a long 310088-09-11.5 Width:23mm Compatible with all road Women's Clothing-Tri-Suits-S/S

or relaxing after a long day on your feet

To get to the 234-gram weight Shimano looked at every detail from the injection - molded carbon-composite body to the hollow cleat bolts

Super narrow lightweight 11-speed HG-EV symmetrical design chain for smooth shifts and maximum durability

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The combined forces of Wahoo's proven power algorithms and SPEEDPLAY’s advanced features set POWRLINK ZERO power pedals a cut above the competition

Shimano ST R8170 BR R8170 Ultegra Di2 Shift Brake Lever Disc C Type:Front or relaxing after a long 310088 09 11.5 Width:23mm Compatible with all road Women's Clothing Tri Suits S S or relaxing after a long day on your feet To get to the 234 gram weight Shimano looked at every detail from the injection molded carbon composite body to the hollow cleat bolts