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Why We Make This

Chris, our founder and spiritual guide, the King himself, is really, in his heart-of-hearts a mountain biker. We make this hub, because it’s spiritually imperative that we do so, to honor the dirt that has given us so much, and to keep Chris happy.

Why You Want It

Our Superboost Centerlock 157x12 rear hubs use one-piece solid axles to provide a stiff platform that makes your suspension perform better and gets every one of the watts you make into the dirt. To keep mud and water out of the works, they have heavy-duty bearing seals and snaprings that provide superior protection with ultra-low drag. Each one is like a rolling dream of trail riding performance.

Our bearings, both steel and ceramic, have heat-treated, surgical-grade steel races that are machined simultaneously to ensure perfect matching. The quality and speed of our bearings is what you will feel (and hear) on every ride. As Chris King bearing tracks burnish, they actually get faster. A little bit of regular love (i.e., service) will keep this hub rolling 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
Available in 28-hole and 32-hole
Available with Micro Spline, HG or XD driveshell
Easily serviceable with a T10 Torx and pick or pen knife
Ceramic bearing upgrade available
Specifically designed for "SUPERBOOST" 157mm x 12mm axle standard

HUB SPECIFICATIONS

Axle Width: 157mm

Flange Diameter DS & NDS: 57.4mm

Center to Flange DS: 28.6mm

Center to Flange NDS: 42.6mm

RingDrive ^TM

We live by the ideal that a product is not worth making unless you make it better. When developing a rear hub, many engagement systems were tried and the RingDriveTMprevailed as the best of the best.

The system consists of three primary parts: the Drive Ring, the Driven Ring, and the Driveshell (freehub). The design allows us to move the engagement mechanism inside the hubshell, inward of the large hubshell bearing, allowing it to have more contact area than a traditional freehub design, and better mitigate torque from the drivetrain. The Drive and Driven Rings are made of heat-treated stainless-steel and have 72-points of simultaneous engagement (45-points in the R45 road hubs). These provide ample, positive engagement, and are capable of handling a torque load of over 800ft/lbs, three times greater than other high end hubs we tested!

Our Bearings

At Chris King, we design and make our own bearings in-house. They are the foundation of everything we sell, and producing them ourselves gives us full control over the entire process to manufacture bearings that are purpose-built for use in our components. This allows us to design products that not only perform better but also have greater longevity. Every single Chris King bearing is inspected and assembled by hand.

Unlike common radial bearings, we build sealed angular-contact bearings that allow for adjustment as they are used. Rather than wear out, our bearings wear in; like a fine wine or a quality guitar, they get better with age. All of our bearings are user-serviceable without special tools. Simply remove the snap ring and seal, clean, and re-grease the bearing for a lifetime of faithful rolling.

Superboost Centerlock Rear

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