Surly Track Cog 3/32 X 17t Silver axle/spacing (mm)-12x142mm TA Drivetrain Speeds 12Shifter Style TriggerColor

Drivetrain Speeds 12Shifter Style TriggerColor BlackWeight 145

}RaceFace Grippler Grips - Turquoise Lock-On 33mm

and LG1 cranks

Hitchswitch lever tilts the rack down to allow backdoor access

}Shimano RD-M7000 Bracket Axle Unit

Surly Track Cog 3/32 X 17t Silver axle/spacing (mm)-12x142mm TA Drivetrain Speeds 12Shifter Style TriggerColorSurly Track Cog 3 32 X 17t 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 17