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BOX

BOX One Prime 9 X-Wide Rear Derailleur - 9-Speed, Long Cage, Black - Closeout

BOX One Prime 9 X-Wide Rear Derailleur - 9-Speed, Long Cage, Black - Closeout

Regular price $ 99.99
Regular price $ 194.99 Sale price $ 99.99
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Shipping calculated at checkout.

Upgrade your mountain biking experience with the Box One Prime 9 X-Wide Rear Derailleur. This top-of-the-line component combines Box's legacy 9-speed drivetrain with modern 1x technology, including an adjustable Tri-Pack™ clutch and x-wide cage optimized for 11-50T cassette. Built with forged construction for durability and performance, this derailleur also features precision sealed bearing pulleys, a carbon-nylon composite knuckle, and Pivot-Tech™ cable stay for smooth operation. Perfect for the most demanding terrain, this derailleur is built to last. Don't miss our sale- all BOX parts are discounted until stock runs out. Upgrade your drivetrain with BOX today!

  • Color: Black
  • Largest Cog: 50
  • Rear Derailleur Mount Type: 10x1 Standard
  • Chain Wrap Capacity (teeth): 39
  • Cage Length: Long
  • Designed for ebike: Yes
  • Rear Der/Shifter Compatibility: BOX Prime 9
  • Drivetrain Speeds: 9
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