Surly Track Cog 1/8'' X 17t Silver MFPN=080A920IKC001 } SRS technology for a

} SRS technology for a more precise shifting

} FORK LOWER LEG - (DECALS NOT INCLUDED) 27 15X100 BLACK - REVELATION A1-A3 (2010-2017) REBA A7 130-150mm (2018+)

Recommended for all trail conditions

providing a better alternative to stock axles

M 502 RimTubeless-Ready Alloy rim (tape valves and sealant sold separately)

Surly Track Cog 1/8'' X 17t Silver MFPN=080A920IKC001 } SRS technology for aSurly 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 1 8''