Surly Track Cog 3/32'' X 17t Silver MPFN-MW-13 41 Spindle Interface Type SRAM/Truvativ

41 Spindle Interface Type SRAM/Truvativ GXP Weight 100 BB Shell Width (mm) 86 BB Shell Width (mm) 92 BB/Frame Interface BB86 BB/Frame Interface BB92

}Hayes Semi-Metallic Disc Brake Pads for Dyno Stroker Ryde Radar Prime Sport

(10) tubing inserts

Chainring spider is removable

(2) bleed plugs

Surly Track Cog 3/32'' X 17t Silver MPFN-MW-13 41 Spindle Interface Type SRAM/TruvativSurly 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