CHRIS KING Boost Centerlock Rear Matte Black


Color: 24h
DS: Shimano HG


The Chris King Boost Centerlock 148x12 rear hub is designed as a precision mountain tool. The one-piece solid axle makes this hub rigid enough to enhance suspension performance and put all the power into the dirt. To keep out mud, water, and dirt, the Boost Centerlock hubs have heavy-duty bearing seals and threaded sealing rings for the drive shells to get you through the roughest trails.

The steel and ceramic bearings feature heat-treated, surgical-grade steel races, and the inner and outer races are machined at the same time to be perfectly matched. The quality and speed of Chris King bearings sets them apart from the competition and you can feel it every time you ridE Chris King bearing races increase in speed over timE All hubs and bearings can withstand years of hard usE

The patented Chris King ring drive features 72 points of simultaneous engagement to transfer power to the ground quickly, providing unmatched engagement and the legendary Chris King Angry Bee sound.

  • Designed, manufactured, and assembled in Portland, Oregon, USA
  • Lifetime warranty with Chris King provisions
  • Canted flange for strong wheel build
  • Patented RingDrive system with 72 contact points for unmatched hub engagement
  • Legendary made-in-house bearings
  • 24H, 28H, 32H
  • Micro-spline, HG, and XD drive shells available
  • Easily repairable with T10 Torx and a pick or penknife
  • Upgrade to ceramic bearings available
  • Designed to "BOOST" 148mm x 12mm axle standard


Axle Width: 148mm
Flange Diameter DS & NDS: 57.4mm
Center to Flange DS: 24mm
Center to Flange NDS: 36.3mm

Bearing: Steel Bearing
Driveshell : Shimano HG, Shimano Micro Spline, SRAM XD

  1. We ship within 1-2 business days after receiving your order (payment). (Basically, orders placed before 12:00 p.m. are shipped the same day.)
  2. Messenger delivery is available within Nagoya City only.
  3. We ship every day from Monday to Sunday, except on temporary holidays.
  4. Available delivery areas: All over Japan and the world.
  5. Please note that delivery may be delayed due to credit card processing status. If you would like to specify the delivery date and time, please fill in your request in the additional information in the shopping cart.
  6. The product will be shipped from Circles.
  7. Please contact the shipping company in case of damage or loss during shipping.

Regarding the delivery of complete bikes

  • Please note that a separate shipping fee of 9,900 yen (tax included) will be charged for shipping complete bikes. (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
  • After receiving your order, we will do a final check and ship complete bikes, but it may take 1-2 weeks. Please understand.
  • We will send the bike with some parts removed for packing. We strongly recommend that you have your bicycle assembled at your nearest bicycle store.
  • We will inform you of the delivery date and other details by e-mail.
  • We apologize for any sales discrepancies at the store.

Regarding the delivery of frame sets

  • Nationwide flat-rate shipping: 5,500 yen (tax included) (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
  • We will inform you of the delivery date and other details by e-mail.
  • We will provide the pre-treatment of facing and tapping for the frame sets purchased at our store as a service. We will inform you separately after purchase.
  • We can also install a headset and BB for a fee, so please feel free to contact us.

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