Surly Track Cog 1/8'' X 17t Silver Model=Race Stem Bag 3 is the perfect way

3 is the perfect way to upgrade your home shop - a stable way to hold nearly any bike off the ground for adjustments cleaning and repair

Model Campagnolo Compound/Backing Green/Steel

model Receptor EXO size 650b width 47mm compound dual bead folding type tubeless color black weight 506g

border-color:#58675c

Collection of 37 carefully selected pieces from Birzman's portfolio of high performance tools and includes a tool box

Surly Track Cog 1/8'' X 17t Silver Model=Race Stem Bag 3 is the perfect waySurly 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 17 Size 1 8''