BMB sealed
by Bear Pawls
Bear Pawls BMB-series sealed-bearing MTB hub used as OEM on Specialized and similar mid-tier MTB builds. Aluminum hubshell with 3-pawl freehub mechanism and cartridge bearings. Shipped on bikes rather than sold at retail; replacement end-cap sets and freehub bodies (e.g. BMB-00315OF0 front endcap, BMB-00412O1F Micro Spline freehub) are available from aftermarket parts retailers.
Details
- Type
- hub
- Discipline
- mountain
- Price
- —
- Weight
- —
- SKU
- —
- Availability
- —
Specs
- Wheel size
- —
- Internal width (mm)
- —
- External width (mm)
- —
- Rim material
- —
- Hub (front)
- 15x110
- Hub (rear)
- 12x148
- Spoke count
- —
- Spokes (front)
- —
- Spokes (rear)
- —
- Tubeless ready
- —
- Brake type
- disc
Full specs (JSON)
- Notes
- OEM-only. 'BMB sealed' refers to the sealed-cartridge-bearing BMB family across both front and rear configurations. Specific weight, MSRP, and engagement point count not publicly documented. Retail replacement parts (end-cap kits, freehub bodies) confirm the 15x110 front / 12x148 rear Boost standards and HG/Micro Spline driver options.
Variants (2)
| Size | Hub option | Freehub type | Position |
|---|---|---|---|
| 32h | 32h / F:15x110 | — | front |
| 32h | 32h / R:12x148 | MS | rear |