Rotor Round Chainring 55T Bcd144X5 1/8" BlackFeatures High performance round chainring built for track and fixed gear setups. Precision machined BCD 144x5 for a perfect chainline. 1 8" thickness suitable for single speed chains. Sturdy and lightweight with a black anodized surface. Specifications Teeth: 55T BCD: 144x5 Chain Width: 1 8" Color: Black
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