Boost rear hubs are designed as precision mountain tools. Featuring one-piece solid axles to provide a stiff hub that will help your suspension perform better and drive every watt of power into the dirt. To thwart mud, water, and contaminants as you power through rough trails, Boost hubs have heavy-duty bearing seals and a threaded driveshell seal ring.
Canted flanges for stronger wheel builds
Easily serviceable with a T10 Torx and pick or pen knife
Engineered, manufactured, and assembled in Portland, Oregon USA with King Lifetime Warranty
Patented RingDrive system with 72 simultaneously interfaced points of contact for unmatched hub engagement
Specifically designed for "BOOST" 148mm x 12mm axle standard
Specifications & Identifiers
Axle Size
12mm
Axle Type
12mm Thru Axle, 12mm Thru x 148mm
Bearing Type
Sealed Cartridge
Brake Type
6-Bolt Disc
Cassette / FH Body Type
SRAM XD
Center to Flange, Left
36.3
Center to Flange, Right
24
Color
Black, Matte Black, Matte Black/Gold
Flange Diameter, Left
57.4
Hub Spacing
148mm
Hub Type
SRAM XD
Rear Axle Type
12mm Thru x 148mm, 12mm Thru-axle
Skewer Included
No
Spoke Count
28, 32
Spoke Interface
J-Bend
Black - 28h UPC
841529244502
Black - 28h MPN
GFB1BB3
Black - 32h UPC
841529251531
Black - 32h MPN
GFB1CB3
Matte Black - 28h UPC
841529251593
Matte Black - 28h MPN
GFB2BB3
Matte Black - 32h UPC
841529251654
Matte Black - 32h MPN
GFB2CB3
Matte Black/Gold - 32h UPC
841529245394
Matte Black/Gold - 32h MPN
GFBYCB3
Tree Fort ID:
333222467702
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