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Chris King ISO B 148x12 rear hubs are designed as precision mountain tools. We use one-piece solid axles to provide a stiff hub that will help your suspension perform better and drive every watt of power into the dirt. To thwart mud, water, and contaminants as you power through rough trails, ISO B hubs have heavy-duty bearing seals, and a threaded driveshell seal ring.

Our bearings, available in steel and ceramic, have heat-treated, surgical grade steel races that are machined simultaneously, with tools of equal wear to ensure perfectly matched inner and outer races. The quality and speed of our bearings is what sets us apart from the competition and they are what you will feel and notice on every single ride. As Chris King bearing tracks burnish they get faster with age and all our hubs and bearings are fully serviceable for years upon years of demanding use.

The patented Chris King RingDrive with 72-points of simultaneous-engagement will get your power to the ground fast, provide unmatched engagement, and give you that legendary Chris King angry-bee sound.

  • Engineered, manufactured and assembled in Portland, Oregon USA
  • King Lifetime Warranty
  • Canted flanges for stronger wheel builds
  • Patented RingDrive system with 72 simultaneously interfaced points of contact for unmatched hub engagement
  • Legendary made-in-house bearings
  • 24h, 28h, and 32h
  • Available with HG or XD driveshell. Micro Spline coming January 31st, 2020
  • Easily serviceable and completely re-buildable with our Chris King Hub Service Tool
  • Responsibly lightweight
  • Ceramic bearing upgrade available
  • Specifically designed for "BOOST" 148mm x 12mm axle standard

FB1239

Chris King ISO B 148x12 Rear Boost Hub

Ready To Ship In: 3-5 Days (Some hubs may take longer as assembled to order)
Ships To: Worldwide
Returns: 60 Day Free Returns
Guarantee: Chris King Lifetime Warranty
Made In: Portland, OR, USA

Color
BLACK
SILVER
RED
VIOLET
MATTE SLATE
MATTE JET
MATTE MANGO
MATTE TURQUOISE
Drilling
Bearing Type
Read Before Ordering

Chris King ISO B 148x12 rear hubs are designed as precision mountain tools. We use one-piece solid axles to provide a stiff hub that will help your suspension perform better and drive every watt of power into the dirt. To thwart mud, water, and contaminants as you power through rough trails, ISO B hubs have heavy-duty bearing seals, and a threaded driveshell seal ring.

Our bearings, available in steel and ceramic, have heat-treated, surgical grade steel races that are machined simultaneously, with tools of equal wear to ensure perfectly matched inner and outer races. The quality and speed of our bearings is what sets us apart from the competition and they are what you will feel and notice on every single ride. As Chris King bearing tracks burnish they get faster with age and all our hubs and bearings are fully serviceable for years upon years of demanding use.

The patented Chris King RingDrive with 72-points of simultaneous-engagement will get your power to the ground fast, provide unmatched engagement, and give you that legendary Chris King angry-bee sound.

  • Engineered, manufactured and assembled in Portland, Oregon USA
  • King Lifetime Warranty
  • Canted flanges for stronger wheel builds
  • Patented RingDrive system with 72 simultaneously interfaced points of contact for unmatched hub engagement
  • Legendary made-in-house bearings
  • 24h, 28h, and 32h
  • Available with HG or XD driveshell. Micro Spline coming January 31st, 2020
  • Easily serviceable and completely re-buildable with our Chris King Hub Service Tool
  • Responsibly lightweight
  • Ceramic bearing upgrade available
  • Specifically designed for "BOOST" 148mm x 12mm axle standard
  • AVT.Bike is an authorized Chris King® dealer and proud to carry one of the largest selections of Chris King products available online and shipped anywhere in the world.
  • Chris King components including hubs, headsets and bottom brackets are available in 9 stock colors.
  • Other colors and product options are available depending on stock levels, so if you don't see the color or exact product you are looking for please contact us.
  • We typically ship out Chris King product in around 3 days from placing your order, but in some cases this can take a few days longer as many hubs, headsets and BB's are built to order.
  • If you have any technical questions at all on Chris King products please contact us and we'll be pleased to help you out!
  • Information on Chris King warranty can be found here.
  • Instructions on how to service Chris King bearings can be found here.
  • Technical Information on Chris King product including service manuals can be found here.
  • All Chris King products are responsibly manufactured in Portland, Oregon, USA.