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Shimano
Dura-Ace 1/8" Track Cog

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MSRP $41.00
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Track teeth.

When you need every watt to go into the wheels, no name is as trustworthy as Dura-Ace. Their track cog threads onto standard 1.37" x 24 TPI track hubs and is available in multiple sizes to give you the right gear for the job.

NJS approved. Compatible with 1/2" x 1/8" chains.

 

Cassette Type: Freewheels/ Fixed Cogs 

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