135BCD Track Cycling Chainrings

135BCD Chainrings
135BCD refers to the Bolt Circle Diameter of a Track Cycling Chainring/Chainset, in order to ensure a chainring fits your Track Cycling Chainset you need to make sure the BCD match on both items. Our website clearly states the BCD for each Chainset and Chainring but if you want to measure your items to make sure you are purchasing a compatible item, use the following guidelines  Click Here

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