Description
The Chris King Boost Rear Hub is a precision mountain bike component designed for the 12 x 148mm Boost axle standard. It features a one-piece solid axle for increased stiffness, enhancing suspension performance and power transfer. The hub includes heavy-duty bearing seals and a threaded driveshell seal ring to protect against mud, water, and contaminants on rough trails. Its canted flanges support stronger wheel builds. The patented RingDrive system provides 72 points of engagement for reliable hub performance. Service is straightforward using a T10 Torx and a pick or pen knife. This rear hub has a 32-hole drilling pattern, uses sealed cartridge bearings, and a 6-bolt disc brake interface. It is compatible with SRAM XD cassette bodies. The hub is finished in Matte Jade and does not include a skewer. Engineered, manufactured, and assembled in Portland, Oregon, it comes with the King Lifetime Warranty.
- Designed as a precision mountain tool with a Boost 12 x 148mm thru-axle standard for enhanced suspension performance.
- Features a patented RingDrive system with 72 points of contact for quick and reliable hub engagement.
- Built with heavy-duty bearing seals and a threaded driveshell seal ring to protect against mud, water, and contaminants.
- Canted flanges offer stronger wheel builds and improved durability on rough trails.
- Matte Jade-colored rear hub with 32-hole drilling and 6-bolt disc brake compatibility for versatile setup.





