Surly Track Cog 3/32'' X 17t Silver MFPN=BC-0001 in a secure out-of-the-way location

in a secure out-of-the-way location with the EnCase® System

A rear rack mounted pannier-style basket that is perfect for shopping trips and can fold away when not in use

The lower spring rate in turn gives a lighter lever action reducing rider fatigue and keeping Hope's legendary feel and modulation

Color Black Range 10-42 Cassette Cogs 10-12-14-16-18-21-24-28-32-36-42 Cassette Body Type SRAM XD 11/12 Speed Drivetrain Speeds 11 Weight 393 Defined Color Black keyword search gx

Surly Track Cog 3/32'' X 17t Silver MFPN=BC-0001 in a secure out-of-the-way locationSurly 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''