- Replacement parts for e*thirteen cranks - Includes M16mm crank bolt and extractor hardware, works with all e*thirteen cranks - Fits all cranks
For maximum pedaling efficiency, Shimano's 105 Crankset boasts light, stiff hollow cold forged aluminum arms, plus an integrated oversize-steel axle. The chainrings are also made of cold-forged aluminum and are ramped and pinned for quick, precise shifting. The asymmetrical, four-armed big chainring provides incredible power transfer.
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