Surly Track Cog - 3/32".
Fixed Gear pinion of Surly, for 3/32 "chains
made of chromoly hardened
Fits on Formula, Dia-Compe Gran Compe-, among others Suzue hub
thread: ISO 1.375 "x 24 TPI
Surly says:
We choose ISO Threading (1,375" x 24 TPI), due to it ''s compatibility with other threads used on bicycle hubs.
ISO threads fit English and Italian threads almost perfectly.
Surly Bikes
6400 W. 105th St.
Bloomington, MN 55438
USA
www.surlybikes.com
Importer / Responsible Person:
Cosmic Sports GmbH
Leyher Strasse 47
90763 Fürth
Germany
www.cosmicsports.de
