BOX Three Prime 9-Speed X-Wide Rear Derailleur maxxis Seamless mesh top hand improves

Seamless mesh top hand improves fit over knuckles and increases airflow

the new star of the Active Line

Low-profile design avoids rock damage

Max low sprocket: 43T

BOX Three Prime 9-Speed X-Wide Rear Derailleur maxxis Seamless mesh top hand improvesThe Box Three Rear Derailleur makes for a fully featured yet wallet friendly rear derailleur. Including a Limited Slip Clutch, Sealed bearing pulleys and a solid construction the Box Three Rear derailleurs are compatible with 11 46 and 11 50t cassettes, making it a highly versatile derailleur. Features; 9 Speed Limited Slip Clutch Bearing Pulleys Nylon Composite Knuckle Direct Channel Cable Stay Die Cast Linkages Stamped Inner and Outer Cage Prime 9