NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 20t Silver red-tag-sale Marathon E-Plus tires are refined

Marathon E-Plus tires are refined for the special demands of an E-Bike

Easy installation and sturdy construction makes carrying the load a breeze

Flat and #2 Phillips head drivers

Constructed with AL-6061-T6 aluminum

Color: Tangerine Orange

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 20t Silver red-tag-sale Marathon E-Plus tires are refinedSurly 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: 20