Wheels Manufacturing Derailleur Hanger - 321 Trek Fits Brand-IronHorse 6061 T6 machined aluminum cups

6061 T6 machined aluminum cups are lightweight and durable

the Tech Drive HP is a hand pump optimized for high-pressure applications (up to 120 PSI)

Forerunner

}SRAM RED AXS Crankset - 175mm 12-Speed 48/35t Direct Mount GXP Spindle Interface Natural Carbon D1

1mm outer/30

Wheels Manufacturing Derailleur Hanger - 321 Trek Fits Brand-IronHorse 6061 T6 machined aluminum cupsWheels Manufacturing Derailleur Hanger 321 Trek. 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. CNC