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Home » Products » RISK Parts Mountain/Road Bike Frame Tail Hook Extender Freewheel Rear Derailleur Hanger Extension Converter 40T 42T 46T RA105
  • RISK Parts Mountain/Road Bike Frame Tail Hook Extender Freewheel Rear Derailleur Hanger Extension Converter 40T 42T 46T RA105
  • RISK Parts Mountain/Road Bike Frame Tail Hook Extender Freewheel Rear Derailleur Hanger Extension Converter 40T 42T 46T RA105
  • RISK Parts Mountain/Road Bike Frame Tail Hook Extender Freewheel Rear Derailleur Hanger Extension Converter 40T 42T 46T RA105
  • RISK Parts Mountain/Road Bike Frame Tail Hook Extender Freewheel Rear Derailleur Hanger Extension Converter 40T 42T 46T RA105
  • RISK Parts Mountain/Road Bike Frame Tail Hook Extender Freewheel Rear Derailleur Hanger Extension Converter 40T 42T 46T RA105
  • RISK Parts Mountain/Road Bike Frame Tail Hook Extender Freewheel Rear Derailleur Hanger Extension Converter 40T 42T 46T RA105
  • RISK Parts Mountain/Road Bike Frame Tail Hook Extender Freewheel Rear Derailleur Hanger Extension Converter 40T 42T 46T RA105

RISK Parts Mountain/Road Bike Frame Tail Hook Extender Freewheel Rear Derailleur Hanger Extension Converter 40T 42T 46T RA105

After installing the derailleur hanger extender, the derailleur will need to be recalibrated. This requires experience and skill, so it is recommended for beginners to have it installed by a professional bike shop.