Wheelbuilder.com :: Hubs :: Chris King ISO B Front Hub (Boost)

Chris King ISO B Front Hub (Boost)

Chris King ISO B Front Hub (Boost)

The Chris King ISO B (Boost) front hub uses proprietary angular contact stainless bearings with lightweight low-friction seals to offer excellent protection against water and dust intrusion. Designed and made in-house by Chris King the bearings are hand checked before being installed. Ceramic bearings built to the same high quality standards are available as an upgrade. 

Most mountain bike manufacturers are adopting Boost spacing as a standard for all wheel sizes. Boost compatible bikes are defined by 110 x 15mm front axle and 148 x 12mm rear axle dimensions. Boost hubs are not backward compatible with 100mm front forks or 142mm rear triangles.

Technical Information:

  • Weight: 176g +/- 5%, (ceramic) 172g +/- 5%
  • Hole count: 28, 32
  • Bearings: Chris King proprietary stainless steel bearings
  • Axle notes: 110 x 15mm TA only
  • Available in 9 colors. Colors may vary slightly between your computer monitor display and the actual product. Colors may vary batch to batch from Chris King (If you order a hubset we will make sure the front and rear hubs match)
  • Wheel building dimensions
    • Left Flange Diameter: 57.4mm
    • Right Flange Diameter: 57.4mm
    • Center to Left Flange: 26.9mm
    • Center to Right Flange: 26.9mm

Additional Information:

  • Fully user adjustable axle end play
  • 5-year manufacturer warranty
  • 100% engineered, manufactured and assembled in Portland, Oregon

Inventory Note: We stock a wide variety of Chris King hubs, however our inventory fluctuates daily. We may need to order hubs with an average lead time of 2-7 business days. Some hubs may take longer. If your order is time sensitive we encourage you to contact us for up to the minute product availability and shipping lead times.

The Chris King ISO B (Boost) front mountain bike hub is 100% manufactured in Portland, Oregon. This Boost offering from Chris King is a completely new hub shell with wider spaced flanges for symmetric wheel builds. 

Product Weight (g) 176g
Our price: $241.00
Hole count
Bearing upgrade
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