Union GH-234 Derailleur Hanger for Wilier

The Union GH-234 derailleur hanger is a replacement part for the rear derailleur, designed to replace the original on Wilier Cento 1 Air and Cento 1 SR bikes from 2014 to 2016. Use it if yours has bent or broken.

• Replaces the original hanger and realigns the rear derailleur
• Compatible with Wilier Cento 1 Air and Cento 1 SR, from 2014 to 2016
• Die-cast aluminium, silver colour
• Includes 3 M4x8 bolts, ready to fit
• Before ordering, compare the shape and design with your current hanger

Technical specifications

• Item type: Derailleur hanger
• Model: GH-234
• Material: Die-cast aluminium
• Colour: Silver
• Number of frame mounting holes: 2 holes
• Compatible models: Wilier Cento 1 Air, 2014-2016; Wilier Cento 1 SR, 2014-2016
• Included screws: M4x8 bolts, number of fasteners: 3
• Frame mounting / step shape: Internal; straight step
• Axle: Diameter 5 mm (Standard QR)
• Intended use: Derailleur hanger, serves as a dropout replacement