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The Easton EC90SL Crankarms are stiff, lightweight, and designed to rule the the road, gravel, or cyclocross course. Its hollow carbon construction is extremely lightweight at just 442 g. It's also amazingly versatile with a Cinch direct-mount system that allows chainrings to be swapped in seconds and allows for single or double chainring setups using a removable spider.
- Compatible with Easton Cinch chainrings (not included)
- 30 mm spindle
- 149 mm Q-factor
- Hollow EC90SL crank construction
- Claimed weight is 442 g (172.5 mm w/ 40T chainring)
- Bottom bracket not included
A guide to understanding and calculating bicycle gear inches.