Union GH-027 Derailleur Hanger for Decathlon Rockrider

The Union GH-027 derailleur hanger is an aluminium replacement part for Decathlon and Rockrider bike frames. It secures the derailleur to the frame if the old hanger has bent or broken.

• Designed for Decathlon and Rockrider bikes, so you can see straight away whether it is the right one
• Cast aluminium, a solid replacement part to return the derailleur to the correct position
• Screws included in the package, so you do not need to find them separately
• Mounts on the outside of the frame with 2 mounting screws
• Suitable for a 5 mm quick-release axle; check your frame before ordering

Technical specifications

• Material: Cast aluminium
• Number of mounting screws: 2
• Frame mounting: External
• Step shape: Straight
• Axle diameter: 5 mm (standard quick release)
• Derailleur mounting type: Standard
• Package contents: Screws included
• Compatibility (brands): Decathlon, Rockrider