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Dura-Ace ST9170 Di2 Hydraulic Shift/Brake Lever

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Why We Like The Shimano Dura-Ace ST9170 Di2 Hydraulic Shift/Brake Lever

Shimano's Dura-Ace ST9170 Di2 Hydraulic Shift/Brake Lever is perfect for riders who seek control and confidence in a race setting. With the Di2 system, we are presented with an intuitive, quick-shifting operation that features customizable functions to fit any rider's style. Its ergonomic cover shape and lever position offer all-day riding comfort and a defined click feeling from stiff dedicated shift panels.


  • Balanced hydraulic brake system for optimal racing control
  • Di2 system offers quick, intuitive shifting operations
  • Ergonomic shift lever position offers a more defined click
  • Functions are fully customizable to fit any style of riding
  • Hood cover is easy to open, replace, and maintain
  • Carbon composite cover is stiff and lightweight
  • Item #SHIU1I5
[cover] carbon composite
reach adjust
11-speed Di2
Claimed Weight
road cycling
Manufacturer Warranty
3 years