Surly Track Cog 3/32'' X 17t Silver Model=Verdict SG1 Tire One finger braking from the

One finger braking from the hoods or the drops for less fatigue

Integrated mud guard mount

Fits bikes with 68mm - 73mm width T47 bottom bracket shells

Specifications Category Cross-country skiing mitten (Women’s) Insulation Primaloft® synthetic Palm Durable stretch polyester Thumb Fleece nose-wipe Intended use Colder XC training days / winter fitness Fit Women’s ergonomic cut Care See Hestra size & care guides below Specs per Hestra’s Women’s XC Primaloft Mitt listings

Adjustable Q factor range of 51

Surly Track Cog 3/32'' X 17t Silver Model=Verdict SG1 Tire One finger braking from theSurly 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 3 32''