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ShiftUp Engineering Direct Mount 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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ShiftUp Engineering Spiderless GXP Direct Mount Chainring 34T - Black
ShiftUp Engineering Spiderless GXP Direct Mount Chainring 34T - Black

Replaces the existing chainring and spider on 3-bolt GXP cranks Narrow-wide tooth profiling prevents helps chain drop Fits SRAM S2200, S2210, X9 … read more

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your price $79.99 + ships free

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ShiftUp Engineering Spiderless Cinch Direct Mount Chainring 34T - Black
ShiftUp Engineering Spiderless Cinch Direct Mount Chainring 34T - Black

Fits Race Face cranks with the Cinch system Narrow-wide tooth profiling prevents helps chain drop Works with 1x9/10/11sp or Singlespeed setups … read more

Currently Sold Out

your price $79.99 + ships free

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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.

Chainring Teeth

These single chain rings have special properties which help retain the chain on the ring.

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