DURA-ACE – HOLLOWTECH II – Road Crankset – 2×11-speed – 172,5mm
The choice of the world’s best climbers, sprinters, and time trialists, the DURA-ACE R9100 crank drops weight while maximizing power transfer. The new design, and its iconic look, is adapted for race-specific disc brake systems while still offering a wide range of gearing and crank arm length options.
Specifications:
- The best balance for a lighter weight (-7g) and efficiency
- Maintains high rigidity and reduces weight
- A shorter length of the rear center with O.L.D.135 mm
- Optimum power transfer
- Iconic design
- Adapted for race specific disc brake system
- Rider tuned gearing options
- Weight: approx 626 gram (172,5mm)
- 52/36 chainrings








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