64 30 Teeth 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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Absolute Black 104 Chainring - 64BCD 30T - Red 
Info
Narrow-wide tooth profile keeps the chain snug, allowing you to leave the chain guide behind Works with 1x9/10/11sp or Singlespeed setups … read more
Ships Freeyour price $55.99 + ships free
Info 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 single ring applications.
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