NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 14t Silver height_5ft-09in Wheel Size: 20"

Wheel Size: 20"

you want to create small increments between the 2620 arch heights to help transition from one arch height to the other

divided main compartment plus front zip and two side pockets keep gear organized

The Post-Lock is a rear-mounted rack attachment that can be positioned directly on a seat post to provide a secure mounting point

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 14t Silver height_5ft-09in Wheel Size: 20"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. 415 hardened chromoly steel 1. 375" x 24 tpi Photo for color and material reference only Tooth Count: 14