Road bike rear transmission bike hanger extension MTB mountain bike bike riding frame gear tail hook extension of a mount

  • Sale
  • Regular price $8.49
Tax included. Shipping calculated at checkout.


The rear derailleur extension converter of the frame is tailor-made to match the 11-40 11-42 11-46T flywheel. When you change the gear when the maximum gear wheel rubs against the number of teeth of the large flywheel, or when the gear is less than the maximum gear, You only need to add a rear dial converter to the original rear dial hook to easily solve your troubles!

Suitable for 40T 42T 46T flywheel installation instead of extended support screws, ,, to make the expansion flywheel more smoothly, mountain bike, road bike big flywheel modification artifact

Name: Rear derailleur extension tail hook
Color: black, red, blue
Size: as shown
Material: ultra-light high-quality aluminum alloy

Package includes:
1*Bicycle extension tail hook