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Excels in loose and rockier conditions with exceptional rolling resistance
keeping riders focused on the trail ButterCups technology block 20% of high-frequency “trail chatter” to reduce hand and arm fatigue SRAM Model ID: FS-ZEB-ULT-B1
Park Tool logo patch above left pocket Fit Standard Material Cotton Gender/Age Men's Color Black Size Large Sleeve Style Short Defined Color Black
6mmx24tpi Width 68mm Spindle Length 113mm
1020 hi-ten STEM: “JUNIOR” topload stem
Surly Track Cog 3/32'' X 17t Silver Front Der/Shifter Compatibility-Campy Centaur/Potenza/Chorus/Record/Super Record 2015+ Excels in loose and rockierSurly 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 3 32''
