Wheels Manufacturing replacement derailleur hangers are CNC machined right here in the US with high quality materials that meet or exceed OEM specs. Features: Machined aluminum replacement derailleur hangers to fit a wide variety of frames Mounts using a 16.5mm integrated threaded post - M12 x 1.25 Thread Replacement part for Trek/Gary Fisher #W294666 or W307718 Made in USA Compatibility: (Trek/Gary Fisher) HiFi (2010-2011) Superfly (2010-2011) Superfly 100 (2012) Superfly 100 AL (2012) Superfly 100 AL Elite (2012) Superfly 100 AL Pro (2012) Superfly 100 Elite (2012) Superfly 100 Pro (2012)
