Box One Quantum 20mm Hub Set

In stock
SKU
BOX-QNTM-HBST
As low as £299.99 Regular Price £479.99

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 overs...... Read More

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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 dilemma by using the type of one-piece driver commonly found on “freestyle” hubs. Each hubset includes a one-piece, 16-tooth driver supported by three large, roller bearings. Inside the driver are six pawls, each with two teeth that engage a 60-tooth ratchet ring, meaning the hub has just 6 degrees of engagement. The end result is a higher performing hub with fewer dead spots and less drag than others on the market. Quantum front hubs are available only with 20-mil axles, but the rears can be easily converted between 10-, 15 and 20-mil axles. Each set includes a front and rear 20-mil set-up. Additional spacers included. Optional 10- and 15-mil axles are sold separately.  

  • Axle Material:  7075-T6 Aluminum
  • Driver Material: Chromoly
  • Engagement: 60-tooth ratchet ring, 6 pawls with dual teeth for 6° of engagement
  • Finish: Anodized black with laser-etched graphics and orange labyrinth seal
  • Hole Count: 36
  • Hub Material: 6061-T6 Aluminum
  • Weight: 162 grams (front), 595 grams (rear w/o axles)

Includes

  • (1) 20mm front axle
  • (1) 20mm rear axle
  • (2) Axle spacers
  • 16 tooth driver
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