Union GH-139 Hanger Trek

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

• Designed for Trek: list of compatible models, such as Dual Sport, aluminum FX, and CrossRip
• Cast aluminum, withstands daily use and replaces the damaged part
• Suitable for a 5 mm axle with a standard quick release
• Screws included, so you don't have to look for them separately
• Before ordering, compare the photo with your hanger and check the model and year

Technical specifications

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