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When we set out to design our R45 hub we had over 30 years of bearing experience and 20 years of building hubs under our belts. The R45 is the culmination of that experience; we focused on creating a lightweight road racing hub that utilized hallmarks of Chris King components: precision, performance, and quality. Our R45 rear hub combines a redesigned RingDrive™ system with 45 teeth for lower drag and near instant engagement with a lightweight hub body and our legendary made-in-house bearings.

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 45-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
  • Legendary made-in-house bearings
  • Easily serviceable and completely re-buildable with our R45 Hub Service Tool
  • Available with Shiamano/Sram HG or Sram XDR driveshell
  • Available in 9 beautifully anodized colors
  • Available in Matte finish
  • Matte Available in 28h, and 32h
  • Ceramic bearing upgrade available

HUB SPECIFICATIONS
Axle Width: 130mm
Flange Diameter DS & NDS: 51mm
Center to Flange DS: 17mm
Center to Flange NDS: 34.3mm





When we set out to design our R45 hub we had over 30 years of bearing experience and 20 years of building hubs under our belts. The R45 is the culmination of that experience; we focused on creating a lightweight road racing hub that utilized hallmarks of Chris King components: precision, performance, and quality. Our R45 rear hub combines a redesigned RingDrive™ system with 45 teeth for lower drag and near instant engagement with a lightweight hub body and our legendary made-in-house bearings.

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 45-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
  • Legendary made-in-house bearings
  • Easily serviceable and completely re-buildable with our R45 Hub Service Tool
  • Available with Shiamano/Sram HG or Sram XDR driveshell
  • Available in 9 beautifully anodized colors
  • Available in Matte finish
  • Matte Available in 28h, and 32h
  • Ceramic bearing upgrade available

HUB SPECIFICATIONS
Axle Width: 130mm
Flange Diameter DS & NDS: 51mm
Center to Flange DS: 17mm
Center to Flange NDS: 34.3mm



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EBB1BC1C

Chris King R45 Rear Hub



Color
Black
Silver
Spoke Count
Bearing Type



Availability and stock levels vary by color & specification, please check each color below for stock information.

When we set out to design our R45 hub we had over 30 years of bearing experience and 20 years of building hubs under our belts. The R45 is the culmination of that experience; we focused on creating a lightweight road racing hub that utilized hallmarks of Chris King components: precision, performance, and quality. Our R45 rear hub combines a redesigned RingDrive™ system with 45 teeth for lower drag and near instant engagement with a lightweight hub body and our legendary made-in-house bearings.

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 45-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
  • Legendary made-in-house bearings
  • Easily serviceable and completely re-buildable with our R45 Hub Service Tool
  • Available with Shiamano/Sram HG or Sram XDR driveshell
  • Available in 9 beautifully anodized colors
  • Available in Matte finish
  • Matte Available in 28h, and 32h
  • Ceramic bearing upgrade available

HUB SPECIFICATIONS
Axle Width: 130mm
Flange Diameter DS & NDS: 51mm
Center to Flange DS: 17mm
Center to Flange NDS: 34.3mm


  • 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.
  • LIFETIME Warranty on all Chris King products.
  • 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.
  • If you have any technical questions at all on Chris King products please contact us and we'll be pleased to help you out!
  • All Chris King products are responsibly manufactured in Portland, Oregon, USA.
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)
In Stock & Ready To Ship Within 24 Hours (Monday to Friday)