Rotor Round Chainring 54T Bcd144X5 1/8" BlackFeatures Round chainring designed for track racing with optimal stiffness. BCD 144x5 pattern fits standard track cranksets. 1 8" width compatible with single speed chains. Durable black anodized finish for long lasting performance. Specifications Teeth: 54T BCD: 144x5 Chain Width: 1 8" Color: Black
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