This Shimano 22T inner chainring is designed for mountain bike cranksets with a 64mm Bolt Circle Diameter (BCD). It is compatible with 9-speed and 10-speed drivetrains as indicated by the M9/10S marking. Constructed from durable steel for reliable shifting performance. The item is in good used condition with teeth showing normal wear consistent with previous use. Ideal for replacing a worn inner ring on a triple or double crankset setup.
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