Surly Track Cog 1/8'' X 16t Silver 27x35x29 cm Feature backed trail helmet with

Feature backed trail helmet with Kali's Low Density Layer at an unrivaled price point

0mm Rise 20mm Width 800mm Up/Back Sweep 5/9 Deg Material Aluminum Color Black Weight 306g

65% Polyester

}Abus GameChanger Helmet - Race Grey Small

Introduce the rider you are today to the one you'll be tomorrow

Surly Track Cog 1/8'' X 16t Silver 27x35x29 cm Feature backed trail helmet withSurly 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 16 Size 1 8''