Chris King

Chris King R45 ISO Disc Rear Hub

$451.00
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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.

Rear R45 hubs employ King patented RingDrive gearboxes with 45 points of simultaneous engagement to get power to the ground quickly.  The R45 RingDrive system is significantly quieter than the classic 72 point version identified by its trademark “Angry Bee” sound.

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: Most Campagnolo 12 speed cassettes are not compatible with R45 hubs, with the exception of 11-32 gear ratio.  All other 12 speed cassettes will contact drive side spokes.  

Technical Information:

  • Weight: 276g +/- 5% 
  • Hole Count: 24, 28, 32
  • Axles: 135QR, 142x12 TA
  • Brake Compatibility: ISO disc brake. Centerlock version available here
  • Bearings: Chris King proprietary steel or King ceramic option
  • Colors: King anodized and matte finish colors, 32H Polished Finish Only
  • Drivetrain Compatibility: Shimano 11 speed road, SRAM XDR Gen 2 hubs only, Campagnolo includes 11T lockring specific to R45 hub
  • Ideal Use: Road or Cyclocross ISO disc, Not recommended for MTB use
  • Wheel building dimensions here
  • 5-year manufacturer warranty

Options:

  • 12-tooth Campagnolo lock rings available here.

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.

Important: The Campagnolo version of the Chris King R45 rear hub is supplied with a Chris King specific 11 tooth lockring and must be used with this hub. Any non-Chris King lock ring is incompatible. Optional 12-tooth Campagnolo lock rings are available here.

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