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Origin8 Thruster 64/104mm BCD Chainring Set, 24/38T, 10/11s, Black 
BuyPART NUM 883020
64/104mm BCD 4-bolt chainring sets for MTB, Boost, and Fat applications Shifting ramps and stainless steel pins for smooth shifting … read more
Ships Free15% offretail $49.99 your price $42.49 + ships free
BuyPART NUM 883020 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
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