BOX One Prime 9 X-Wide Rear Derailleur robot cleaner offering reliable performance and longevity

offering reliable performance and longevity

Complete Rim Protection combines ''Lite'' and ''Pro''

With a powerful 298Wh/93120mAh capacity

It’s also very easy to clean and can withstand hundreds of cleaning

BOX One Prime 9 X-Wide Rear Derailleur robot cleaner offering reliable performance and longevityThe Box One Prime 9 Rear Derailleur takes the advantage of BOX's legacy 9 speed drivetrain but adds the advancements of a modern 1x; a fully adjustable Tri Pack(TM) Clutch, and an x wide cage optimized for an 11 50T cassette. Forged construction steps up the durability and performance to an unparalleled level. Suited for the most demanding terrain. Designed for aggressive terrain Adjustable Tri Pack Limited Slip clutch Precision sealed bearing pulleys