Surly Track Cog 1/8'' X 15t Silver CheckoutSpec= Trunnion 42.5 - Vivid C1+ (2024+) Estimated 1 year battery life

Estimated 1 year battery life with replaceable 900mAh CR2 battery

493 BASE PREPARATION PARAFFIN

Absolute+ compression damping specifically tuned with more ramp up for dirt jump

A percentage of the proceeds from the sales of the new North Shore grips are used to support the NSMBA and trail building on the North Shore

Slight scratches from pedals

Surly Track Cog 1/8'' X 15t Silver CheckoutSpec= Trunnion 42.5 - Vivid C1+ (2024+) Estimated 1 year battery lifeSurly 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''