NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 15t Silver fork-type_suspension Machined 7000 series extruded bar

Machined 7000 series extruded bar stock

Saris Trainer Thru-Axles allow tru-axle equipped bikes to be used on Saris trainers

Outboard clamp is replaced by extra rubber for cushioning

Minimum Torque Limit (Nm): 5

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

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 15t Silver fork-type_suspension Machined 7000 series extruded barSurly 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