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Ships within 48 hours · Estimated delivery Sep 29 - Oct 4
youth-tuned suspension (135 mm rear / 140 mm front)
Internal sealing for reduced friction and the pivot spins on roller bearings allowing the spring rate to be reduced
Small enough for a jersey pocket
FINISH Softtouch
Surly Track Cog 1/8'' X 15t Silver Flat/Riser Handlebar youth-tuned suspension (135 mm rearSurly 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 15 Size 1 8''
