R45D hubs combine our low-drag 45-tooth RingDrive system, a lightweight hub body, and our legendary made-in-house bearings. The result is the increased power and modulation of disc brakes, the fast, smooth rolling speed of our bearings, and the superior responsiveness of our RingDrive engagement system when you put the power down.
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.
- Engineered, manufactured and assembled in Portland, Oregon USA
- 5-year built-to-last warranty
- Patented RingDrive system with 45 simultaneously engaged points of contact for virtually drag free engagement
- Legendary made-in-house bearings
- Easily serviceable and completely re-buildable with our R45 Hub Service Tool
- Ceramic bearing upgrade available
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