Wolf ToothRoad/Gravel Straight Pull MS Rear Hub (12 x 142mm) is a premium foundation for modern road and gravel wheel builds, combining a stiff, lightweight 7075-T6 aluminum shell with the fast, service-friendly ENVE INNERDRIVE freehub system for efficient power transfer and long-term durability.
Key details for performance wheel builds
ENVE INNERDRIVE 40T ratchet - Quick engagement under load for responsive accelerations and punchy climbs; optional ratchet rings allow tuning engagement feel (sold separately)
12 x 142mm thru-axle spacing - A current road/gravel standard for secure alignment and consistent disc brake rotor positioning
Micro Spline (MS) compatibility - Built for riders running Micro Spline cassettes, making it a clean choice for many modern 12-speed drivetrains
Straight-pull spoke interface - Supports high-tension, high-performance wheel builds with a clean spoke line and a wheelbuilder-friendly platform
7075-T6 CNC-machined aluminum shell - Strength-to-weight focused construction for a stiff hub body without unnecessary mass
Fully serviceable hub with replaceable parts - Designed for straightforward maintenance, with replacement parts available to keep the hub running smoothly over years of riding
Available in multiple anodized color options to match custom builds, with precision machining and assembly completed in Minnesota, USA.
Specifications & Identifiers
Axle Size
12mm
Bearing Type
Sealed Cartridge
Brake Type
Center-Lock Disc
Cassette / FH Body Type
Shimano Micro Spline
Color
Black, Gold, Ultraviolet Purple
Defined Color
Black, Gold, Purple
Designed for ebike
No
Hub Spacing
142mm
Skewer Included
No
Spoke Count
24
Spoke Interface
Straight Pull
Weight
224
Black - 24h UPC
810159404433
Black - 24h MPN
HRS24-242-MS40-BLK
Gold - 24h UPC
810159404457
Gold - 24h MPN
HRS24-242-MS40-GLD
Ultraviolet Purple - 24h UPC
810159404471
Ultraviolet Purple - 24h MPN
HRS24-242-MS40-PRU
Tree Fort ID:
333222478692
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