Chris King Boost rear hubs are precision-engineered mountain bike components designed for maximum stiffness, power transfer, and durability. The one-piece solid axle enhances suspension performance, while heavy-duty bearing seals and a threaded driveshell seal ring protect against mud, water, and debris on rugged trails.
Key Features:
Stronger wheel builds with canted flanges
Instant engagement with a patented RingDrive system featuring 72 points of contact
Easy maintenance using a T10 Torx and pick or pen knife
Optimized for BOOST 148mm x 12mm axle standard
Engineered, manufactured, and assembled in Portland, Oregon, USA, with a King Lifetime Warranty
Built for demanding terrain, these hubs deliver exceptional strength, efficiency, and reliability for serious riders.
Specifications & Identifiers
Axle Size
12mm
Bearing Type
Sealed Cartridge
Brake Type
6-Bolt Disc
Cassette / FH Body Type
Shimano Micro Spline
Color
Matte Black/Gold
Defined Color
Black
Hub Spacing
148mm
Rear Axle Type
12mm Thru x 148mm
Skewer Included
No
Spoke Count
32
Spoke Interface
J-Bend
UPC
841529205787
MPN
EFBYCB2
Tree Fort ID:
333222469550
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