Surly Track Cogs S3-Cat-Components&Parts-Suspension-ForkParts-ForkAirSprings&Coils 33mm pawls - fits all

33mm pawls - fits all Shimano & SRAM 9

Backsweep (degrees) 3

5” tapered (upper IS42/28

Perfect for an e-bike

Surly Track Cogs S3-Cat-Components&Parts-Suspension-ForkParts-ForkAirSprings&Coils 33mm pawls - fits allSURLY TRACK COGS Our track cogs are designed to spin onto standard ISO threaded (1. 375" x 24tpi) hubs, so they will work with most English, Italian and Japanese hubs, including the Surly New track hubs. The thread base is 7. 4mm wide for maximum thread engagement while maintaining enough room for a track lockring to thread on. Like our cassette splined cogs, these are made from machined, heat treated and chrome plated SCM415 CroMoly steel, so they