Surly Track Cog 1/8 X 17t Silver MFPN=TB72390100 }Five Ten Trailcross Mountain Clipless

}Five Ten Trailcross Mountain Clipless Shoes - Mens Putty Gray/Carbon/Wonder White 8

Salsa Gel Cork Tape embossed with Pepper Globe and Salsa script

5/3/4/5/6 MM HEX &

} 100% uni-directional carbon body provides a lightweight structure that is torsionally and laterally stiff

Surly Track Cog 1/8 X 17t Silver MFPN=TB72390100 }Five Ten Trailcross Mountain CliplessSurly Track Cog 1 8 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