MS12S

by Bear Pawls

Bear Pawls MS12S is a Micro Spline 12-speed rear hub for 12x148mm Boost spacing, used as OEM on Specialized and other mid-tier MTBs. Aluminum hubshell with 3-pawl freehub mechanism, 6-bolt disc mount, and cartridge bearings.

Details

Type
hub
Discipline
mountain
Price
Weight
SKU
Availability

Specs

Wheel size
Internal width (mm)
External width (mm)
Rim material
Hub (front)
Hub (rear)
12x148
Spoke count
Spokes (front)
Spokes (rear)
Tubeless ready
Brake type
disc

Full specs (JSON)

Notes
OEM-only. Model name MS12S = Micro Spline, 12-speed. Specific weight, MSRP, and engagement point count not publicly documented. Replacement freehub bodies and whole hubs available through aftermarket OEM-parts resellers but no canonical brand-direct retail price.

Variants (1)

SizeHub optionFreehub typePosition
32h32h / R:12x148MSrear