Surly Track Cog 1/8'' X 15t Silver CheckoutSpec= Trunnion 42.5 - Vivid C1+ (2024+) }SRAM Paceline Disc Brake Rotor

}SRAM Paceline Disc Brake Rotor - 140mm Center Lock 1

Surface treatment increases durability and smoothness

493 BASE PREPARATION PARAFFIN

Hestra's heated liner adds extra warmth to any glove or mitten

Slight scratches from pedals

Surly Track Cog 1/8'' X 15t Silver CheckoutSpec= Trunnion 42.5 - Vivid C1+ (2024+) }SRAM Paceline Disc Brake RotorSurly 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''