Surly Track Cog 3/32'' X 18t Silver CheckoutTitle=KMC X8 Chain - 8-Speed S Upper ZS44 Lower Stack

S Upper ZS44 Lower Stack Height 14

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

Connectamajig allows for several disconnects and reconnects before a system bleed is required

The Sun Ringle CR-18 is a durable single eyelet inexpensive touring rim

Surly Track Cog 3/32'' X 18t Silver CheckoutTitle=KMC X8 Chain - 8-Speed S Upper ZS44 Lower StackSurly 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