Chris King

Chris King ISO AB Front Hub (Boost)

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Chris King hubs are known for innovative bearing and gearbox designs, exceptional durability, and for their brilliant jewel quality anodized colors and finishes. 

The ISO AB is specifically for “Boost” disc spacing forks with 110x15mm "Boost" or 110x20mm "Boost" axles. Using the larger diameter hubshell bearing the ISO AB is designed to tackle rough terrain and aggressive riding such as downhill and enduro. With the ISO AB hub your wheel will be future proof and ready to convert to the new 110x20mm axle with a simple insert swap, should that spec expand beyond downhill forks in the coming years.

The ISO AB front hub is also compatible with Torque caps in the 110x15mm Boost configuration. 

Bearings are available in steel and ceramic for most models. Races are manufactured from heat-treated, surgical grade steel that are machined simultaneously, with tools of equal wear to ensure perfectly matched inner and outer races. As Chris King bearing races burnish they get faster with age. 

Hubs are fully serviceable for many years of demanding use. All Chris King products are 100% engineered, manufactured and assembled in Portland Oregon and carry a 5 year warranty.

IMPORTANT NOTE: King ISO MTB hubs are special orders items not in stock.

Technical Information:

  • Weight: 176g +/- 5% 
  • Hole Count: 28, 32
  • Axles Standard: 110x15mm or 120x15mm TA Boost
  • Axles Optional: Torque cap 110x15mm TA Special Order 
  • Bearings: Chris King proprietary LD steel or ceramic option
  • Colors: King anodized and matte finish colors
  • Ideal Use: MTB ISO disc Boost  
  • Wheel building dimensions here
  • 5-year manufacturer warranty

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. 

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