Box One Quantum Drivers downhill Did you know that these

Did you know that these stylish creations are also the official number plate of the UCI/GSX Super Cross Series

Featuring Box Three Pro Disc

The Mid reach lever features a new design that puts it in the same reach position as the Long

while the 12-50T E-Bike version features slightly adjusted gear spacing optimized to handle the unique torque and load demands of E-MTB riding

Adding an extra tooth to each of the three highest gears provides increased durability and decreased wear by distributing the load over a larger area

Box One Quantum Drivers downhill Did you know that theseEach Quantum driver is a complete, one piece Chromoly driver supported by three large roller bearings. Inside the driver is six pawls, each with two teeth that engage a 60 tooth ratchet ring, which means the hub has just 6 degrees of engagement. Please note, these drivers are designed only for use with Quantums and are not compatible with other hubs.