Note* Thiis crankset was returned and never installed.
The Hollowtech II crank combines race-proven hollow forging technology with the integrated crankset & bottom bracket. Weight is reduced while rigidity & power transfer are radically increased. In addition to Hollowtech II integrated design, the crank arms are hollow which provide amazing strength and rigidity at a light weight. Finally, SG-X chainrings enable super smooth front shifting. Special tooth profiles, pick-up spikes and ramps help make the front derailleur shift quietly, easily, and trouble free.
- Hyperdrive and Dual SIS compatible
- 130mm bolt circle diameter
- 68/70mm bb shell width
- Does not include bottom bracket
- 770 grams approx (53/39, 172.5mm)
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