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Description

Surly 3/32 Track CogSurly 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

BSA Threaded CASSETTE Shimano SLX

Made of CNC Machined 6061-T6 Aluminum

and reflective graphics for visibility

full liquid post heat-treatment on 4130 “M2“ crmo

bigger foot

even on small bike frames

allowing you to focus on getting out and enjoying feel of rollers

Designed for kids 2-5 years (one size fits all)

powerful braking in all conditions

aluminum carbide studs

while offset 1/8″ teeth provide improved chain alignment on all set ups

• Creates a ceramic coating for incredible durability and long distance performance