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Showing 7 products:
Surly Single Cassette Cog 21t
5 of 5
( 5 )
5 of 5 stars average
( 5 reviews )
BuyPART NUM 327091
Surly Single Speed Cogs. Fit Shimano freehub splines SCM 415 hardened CroMoly steel Designed as a singlespeed cog, but may also … read more
5 of 5
( 5 )
5 of 5 stars average
( 5 reviews )
popular
Ships Freeyour price $35.00 + ships free
BuyPART NUM 327091 
Problem Solvers Singlespeed Cog 21t fits PS Carrier or 6-bolt hubs BuyPART NUM 125041
Problem Solvers Single Cogs Fits the Problem Solvers SS Cog Carrier Also 6-bolt rotor mount compatible for fixed gear use (see instructions for applicable … read more
Problem Solvers TRSK-R6-21Tyour price $19.99
BuyPART NUM 125041 
Endless Bike Kick Ass Cog, 21t - Red Ano BuyPART NUM 782454
Machined 7075-T6 aluminum Singlespeed cogs Wide base prevents the cog from digging into freehub bodies and reduces flex Splines are … read more
your price $60.00 + ships free
BuyPART NUM 782454 
Endless Bike Kick Ass Cog, 21t - Black Ano 
Info
Machined 7075-T6 aluminum Singlespeed cogs Wide base prevents the cog from digging into freehub bodies and reduces flex Splines are … read more
your price $60.00 + ships free
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Shimano Nexus 23t Cog Silver
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Shimano Nexus & Alfine Cogs Shimano Nexus and Alfine cogs will work with either 1/8" or 3/32" chains Fits coaster brake and Internally geared hubs … read more
your price $6.99
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Endless Bike Kick Ass Cog, 21t - Blue Ano Info
Machined 7075-T6 aluminum Singlespeed cogs Wide base prevents the cog from digging into freehub bodies and reduces flex Splines are … read more
your price $60.00 + ships free
Info 
Endless Bike Kick Ass Cog, 21t - Silver Ano Info
Machined 7075-T6 aluminum Singlespeed cogs Wide base prevents the cog from digging into freehub bodies and reduces flex Splines are … read more
your price $50.00 + ships free
Info 
Surly is a leading manufacturer of bicycle frames, and was one of the first Fat Bike manufacturers.
"Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."
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These products are one of our best sellers.
These models are available for online purchasing and can be shipped directly to you.
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