How to choose a bicycle CHainrings
Some common specifications The number of claws and hole spacing between the bicycle sprocket and the crank are related.There are three common types: 4-jaw, 5-jaw, and direct mounted 4-claw style The largest amount in the market and the most versatile。 (1) 104BCD 4 claws 1. Applicable models: Models for circulation by mountain car owners 2. […]
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