NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 15t Silver fork-type_suspension Easy-to-use bike hold downs with

Easy-to-use bike hold downs with ratcheting straps grip the bike’s frame

SRAM's most affordable ten speed chain offers most of the strength and all of the shifting performance of other models

Minimum Torque Limit (Nm): 5

Dark Blue w/yellow dots

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 15t Silver fork-type_suspension Easy-to-use bike hold downs withSurly 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. 415 hardened chromoly steel 1. 375" x 24 tpi Photo for color and material reference only Tooth Count: 15