Shimano Alfine outer Chainring Guard helps keep the chain on your chainring when using the Alfine cranks. This guard also helps keep the chain lube and crud off your pants. Designed for the Alfine crankset this guard mounts in the position of where an outer chainring would typically go.
For Alfine cranks with 130BCD
Pairs with 39t chainring
Does not include mounting hardware
Max Tooth Size
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