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SurlyType: Track Cogs & Lockrings
Surly Track Cog Silver
$35.00
In Stock
Secure checkout•Returns accepted within 30 days
Surly track cogs are threaded the same as a BMX freewheel (1.375 x 24 tpi right-hand threads). This means that they will fit on single-speed rear hubs as well as BMX freewheel hubs but this application is not recommended. Track cogs are meant to work on track hubs only.