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Alfine S501 chainring for single speed internally-geared drivetrains.
Option | UPC | MPN | Store SKU |
---|---|---|---|
130mm / Black / 42T / 9 | 689228580985 | Y1PB42010 | FCS32942461K |
130mm / Black / 45T / 9 | 689228581005 | Y1PB45010 | SHI45537236G |