Wheels Manufacturing Derailleur Hanger - 284 MFPN=32OZCB Surly track cogs are threaded

Surly track cogs are threaded the same as a BMX freewheel (1

All steel cogs

Replaceable 3mm steel pins

Compatible with frames designed for the Alternator Flat Mount standard

Two bottle cage mounts plus mounts in front and rear for racks and fenders

Wheels Manufacturing Derailleur Hanger - 284 MFPN=32OZCB Surly track cogs are threadedWheels Manufacturing Derailleur Hanger 284. Wheels Manufacturing hangers are stiffer than almost any OEM hanger which improves durability and shifting performance. OEM hangers are only produced by a handful of manufacturers mostly in Taiwan and China. As a result you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. These