Extra-rigid, aerodynamically optimized, 7075 aluminum. Not compatible with PowerBox SC Pod crankset. Compatible with 42 tooth inner chainring only.
- Teeth: 54T
- Round bolt: 110mm, 4 holes
- Crank arm compatibility: Powerbox
- Suitable for Shimano 10 / 11s, Sram 10 / 11s, FSA 11s groups
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