Surly Track Cog 3/32'' X 18t Silver CheckoutTitle=KMC X8 Chain - 8-Speed Fits Brand Wheeler Fits Brand

Fits Brand Wheeler Fits Brand Weyless Fits Brand Specialized Fits Brand Focus

3 Wall Dbl Side NMSW Color Black Hole Count 36 Valve SV Weight ERD 390 Extras Eyeletted

Sold as a complete set including all mounting hardware

0mm Aluminum Chainring Spacer Bag/20

S Upper ZS44 Lower Stack Height 14

Surly Track Cog 3/32'' X 18t Silver CheckoutTitle=KMC X8 Chain - 8-Speed Fits Brand Wheeler Fits BrandSurly Track Cog 3 32'' X 18t Silver. 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 TECH SPECS Tooth Count 18