NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 18t Silver variant-size-41-eu-womens They setup and adjust with

They setup and adjust with ease

Weight: 302

See Thule Buyer's Guide for recommended fits

it also won’t pull out while riding the way a conventional plug can

Adhesive: Yes

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 18t Silver variant-size-41-eu-womens They setup and adjust 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: 18