All-City 13T x 1/8" Track Cog Black MPFN-HXS-3 Rear disc brake adaptor specifically

Rear disc brake adaptor specifically designed ONLY for the Surly Troll Ogre ECR and Pugsley

Over Locknut (mm) 142 Axle Diameter (mm) 12 Overall Length (mm) 171 Thread Length (mm) 13 Thread Pitch 1

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All-City 13T x 1/8" Track Cog Black MPFN-HXS-3 Rear disc brake adaptor specificallyAll City 13T x 1 8" Track Cog Black. All city's great value standard track cog available in the most popular sizes. 16t and lower are solid 17t and higher have cutouts Chromoly steel; CNC precision machined 1 8" width cogs; Threads are 1. 37" x 24 tpi TECH SPECS Tooth Count 13