Union GH-139 Trek Derailleur Hanger

The Union GH-139 derailleur hanger replaces the original on many Trek bikes, such as Dual Sport, FX and CrossRip. You need it if yours is bent or broken after a crash.

• Designed for Trek: list of compatible models, such as Dual Sport, aluminium FX and CrossRip
• Cast aluminium, withstands everyday use and replaces the damaged part
• Suitable for a 5 mm axle with standard quick release
• Screws included, so you do not need to find them separately
• Before ordering, compare the photo with your derailleur hanger and check the model and year

Technical specifications

• Type: Derailleur hanger
• Model: GH-139
• Item code: 50230
• Material: Cast aluminium
• Colour: Silver
• Frame mounting holes: 1
• Frame mounting: External
• Shape: Straight
• Axle diameter: 5 mm (standard quick release)
• Pack contents: Screws included