Surly Track Cog 3/32'' X 17t Silver MFPN=SCH020288S0100 Includes 3/8inch square to 1/2inch

Includes 3/8inch square to 1/2inch square adaptor and 3/8inch square to 1/4inch hex adaptor

6 Steerer Tube Length (mm) 260 Wheel Size 26" Fat Wheel Size 27

Simple and easy to install

}Magura Pro Bleeder

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Surly Track Cog 3/32'' X 17t Silver MFPN=SCH020288S0100 Includes 3/8inch square to 1/2inchSurly 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