The Reverse Base V2 Boost XD Rear Hub is a lightweight, hard-wearing rear hub built for riders who want quick power transfer and low-maintenance durability in a modern Boost wheel build. A forged and machined aluminum hub shell keeps weight in check while delivering the strength needed for aggressive trail and enduro use, and the multi-sealed bearing layout is designed to stay smooth through wet, dusty, and high-mileage conditions.
108 points of engagement - 6-pawl drive system delivers fast pickup for technical climbs, ratcheting through corners, and punchy accelerations
5 multi-sealed industrial bearings - robust sealing and bearing support help extend service intervals and reduce maintenance over time
Forged + machined aluminum hub shell - balances low weight with the stiffness and impact resistance riders expect from a performance rear hub
Boost rear hub spacing - built for modern frame standards and the wheel stiffness benefits associated with wider hub platforms
XD driver compatibility - supports SRAM XD cassettes for a wide range of modern drivetrain setups
International Standard 6-bolt disc mount - straightforward rotor fitment with widely supported 6-bolt hardware
Specifications & Identifiers
Axle Size
12mm
Bearing Type
Sealed Cartridge
Brake Type
6-Bolt Disc
Cassette / FH Body Type
SRAM XD
Color
Black
Defined Color
Black
Designed for ebike
No
Front/Rear
Rear
Hub Spacing
148mm
Rear Axle Spacing
148mm
Skewer Included
N/A
Spoke Count
32
Spoke Interface
J-Bend
Weight
358g
Black - 32h UPC
4717480169788
Black - 32h MPN
20049
Tree Fort ID:
333222476858
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