12lbs (960g)

29lbs (1038g)

The dropouts are heat-treated to further increase strength

1x removable 2in1 cable stopper with bolt

The 20mm dropouts can be dropped down to 10mm with the included inserts

Box One Quantum Cassette Race Hubset Size:20mm 12lbs (960g)For more than seven years, Box Founder Toby Henderson has been trying to build a reliable 20 mil rear cassette hub without creating a new cassette standard, the problem was fitting durable bearings between the cassette body and the oversize axle. The rear Quantum hub overcomes this by using the type of one piece driver commonly found on freestyle hubs. Each hubset includes a 1 piece, 16 tooth driver supported by 3 large, roller bearings. Inside the