Union GH-138 Derailleur Hanger for Trek

The Union GH-138 derailleur hanger is for Trek bicycles and is a useful replacement if yours has bent or broken. It mounts externally on the frame and includes the mounting bolt.

• For Trek bikes; the listing includes 18 compatible models, including the X-Caliber 2014-2017
• Restores derailleur alignment after a fall or impact
• Mounting bolt included, so you do not need to find one separately
• AL 6061 aluminum, cold-worked for forging
• Before ordering, check your Trek model and year in the compatibility list

Technical specifications

• Part number: GH-138
• Material: AL 6061, cold-worked for forging
• Axle diameter: 5 mm (Standard QR)
• Frame mounting: External
• Step shape: Curved
• Derailleur mount type: Standard
• Number of mounting points: 2
• Package contents: Hanger with mounting bolt
• Compatibility: Trek; 18 entries, including X-Caliber 2014-2017, Powerfly HT 2017, Cali 2017