Blackspire 58 Bicycle Chainrings
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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Showing 4 products:
Blackspire Super Pro 9/10sp Chainring, 58mm x 22T, Black 
BuyPART NUM 360044
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 $27.95
BuyPART NUM 360044 
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 
Blackspire Super Pro 9/10sp Chainring, 58mm x 24T, Black BuyPART NUM 288921
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
Ships Freeyour price $30.52 + ships free
BuyPART NUM 288921 
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 rings can be used in the inner position.
Buy this product and your entire order ships for free.
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