The Box Components One Prime 9-speed E-Bike extra-long clevis rear derailleur takes all the qualities of the previous Box Components 9-speed drivetrain and adds the following technologies: a fully adjustable Tri-Pack™ clutch and a x-wide cage optimized for an 11-50T cassette. Its forged architecture increases durability and performance to an unrivalled level. Suitable for the most demanding terrain.
Features:
Materials: Carbon fiber / composite from nylon, steel and aluminum alloy
