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Bolt Circle Diameter (BCD) is the diameter of an imaginary circle running through the center of the chainring mounting holes. It is always defined in millimeters.
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Designed for Race Face CINCH cranks with removable spiders. Its proprietary design has an ovality of 10% and a timing of 112 degrees after top dead center … read more
your price $69.95 + ships free
BuyPART NUM 432726 These models are available for online purchasing and can be shipped directly to you.
Bolt Circle Diameter (BCD) is the diameter of an imaginary circle running through the center of the chainring mounting holes. It is always defined in millimeters.
Chainring Teeth
These single chain rings have special properties which help retain the chain on the ring.
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