Surly Track Cog 1/8'' X 19t Silver CheckoutTitle=FOX Steel Rear Shock Coil Spring - 400 lb. x 3.25 Spring Travel 6/40mm) Offset 32mm Axle Crown-303mm

6/40mm) Offset 32mm Axle Crown-303mm Brake Mount None Dropout 20x100mm TA Color Black

Base valve with 40% reduction in IFP forces making it one of the most supple shocks on the market while maintaining perfect traction

Secure internal zipper pocket for your phone

Perfect companion for your Pedro`s torque wrench - ideal coverage of less common large hex sizes

Surly Track Cog 1/8'' X 19t Silver CheckoutTitle=FOX Steel Rear Shock Coil Spring - 400 lb. x 3.25 Spring Travel 6/40mm) Offset 32mm Axle Crown-303mmSurly 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 19 Size 1 8''