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Blackspire Super Pro 9/10sp Chainring, 58mm x 20T, Black 
BuyPART NUM 551516
CNC'd 7075 T-6 The ENGINEERED ring! Modified shift gates and special profiles to allow 9 and 10 speed chains to shift flawlessly … read more
your price $27.29
BuyPART NUM 551516 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 rings can be used in the inner position.
These models are available for online purchasing and can be shipped directly to you.
Buy this product and your entire order ships for free.
Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.