Wheels Manufacturing Derailleur Hanger - 307 MPFN-CR0050 Surly track cogs are threaded

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

}Hope Floating Disc Brake Rotor - 160mm 6-Bolt Purple

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Flange No Color Black Length 142 Defined Color Black Grip Shift Specific No Shape Round Weight 104 Lock On Yes

Wheels Manufacturing Derailleur Hanger - 307 MPFN-CR0050 Surly track cogs are threadedWheels Manufacturing Derailleur Hanger 307. 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