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incl. 20% VAT excluding delivery price.
The construction includes 5 sealed industrial bearings (NBK), providing smooth rotation and long-lasting reliability even during intensive riding.
The freewheel mechanism uses a 4-pawl system with a 40-tooth ratchet ring, ensuring fast and secure engagement while pedaling.
| Item name | HBR D902SB-B12-A4A-MS |
|---|---|
| Manufacturer | Novatec |
| Manufacturer's item number | 111034 |
| EAN Code | 8581251110349 |
| Product type | Rear hub |
| Material | Aluminum |
| Model | D902SB-B12-A4A-MS |
| Mounting | Thru Axle (12 mm) |
| Number of spoke holes | 32 |
| Width (O.L.D) | 148 mm (Boost) |
| Speed compatibility | 12-speed |
| Color | Black |
| What's included | Hub only (thru axle not included) |
| Weight | approximately 367 grams |
| Warranty | 2 years |
The Novatec D902SB-B12-A4A-MS rear hub is designed for mountain bikes with the Boost standard and 12-speed drivetrains. It is suitable for riding in various conditions—from cross-country to trail and enduro—providing reliability, efficiency, and rear-wheel stability.
Brake type: Compatible with disc brakes (6-bolt);
Bearings: Uses 5 sealed industrial bearings (Sealed bearings);
Freehub: Micro Spline freehub for Shimano 12-speed cassettes;
Axle: Designed for a 12 mm thru-axle;
Frame width: Compatible with Boost frames with 148 mm spacing;
Spokes: Suitable for J-bend spokes;
If you are unsure about compatibility or installation, you can visit our locations for professional advice:
https://dragzone.bg/pages/shops
During installation, use a suitable 12 mm thru-axle and 6 bolts to secure the disc. Make sure the cassette is correctly installed on the Micro Spline freehub body.
Regularly check the free movement and bearings for smooth operation. Avoid cleaning with a high-pressure washer. Periodic servicing of the freehub mechanism is recommended for optimal performance and a long service life.
Is the hub compatible with 11-speed cassettes?
Not directly – the Micro Spline standard is designed for Shimano 12-speed cassettes.
Is a thru-axle included in the kit?
No, this is an OEM version and does not include a thru-axle.