BOLANY Bicycle Rear Derailleur Hanger Extension Tail Hook Extender for Free Wheel Teeth UpgradeRed

Item Type: Rear Derailleur Hanger Extension 
Material: Aluminium Alloy
Screw Material: Aluminium Alloy
Process: CNC accuracy machining, aluminum alloy anodizing surface
Size: Approx. 4.5cm/1.8in
ID: Approx. 1.6cm/0.6in
Fitment: For the 8-speed, 9-speed, 10-speed, 11-speed, 12-speed large flywheel tooth upgrade

Features

1、Expanding the flywheel speed yet changes more smoothly, a great accessory for cyclists.
2、Can relieve the spring tension of the rear derailleur to enhance the bicycles climbing ability.
3、Professional manufacturing for stable performance and high reliability, has long service life.
4、Suitable for 8‑speed, 9‑speed, 10‑speed, 11‑speed, 12‑speed large flywheel tooth upgrade.
5、Made of high quality aluminium alloy, CNC accuracy machining, strong and durable, easy to install.

Package List

1 x Bicycle Rear Derailleur Hanger Extension

1 x Screw