Surron Ultra Bee Carbon Primary Drive Belt 25mm | EBG
Built for the higher load of the Surron Ultra Bee, this 25 mm EBG carbon primary drive belt supports stable power transfer while keeping the drivetrain quiet and low-maintenance.
Why choose this belt for Surron Ultra Bee?
The wider 25 mm format is intended for the Ultra Bee primary-drive application, where pulley alignment and correct tension are essential under higher torque.
Key benefits
- Model-focused fitment: Product options and compatibility guidance are written specifically for Surron Ultra Bee.
- Quiet power transfer: Carbon composite construction reduces drivetrain noise when alignment and tension are correct.
- Low maintenance: No lubrication and no metal-chain rust.
- Trail-ready construction: Designed to operate around mud, water, sand and elevated drivetrain temperatures.
- Consistent engagement: Supports smooth, predictable power delivery through repeated acceleration.
Specifications
| Compatible model | Surron Ultra Bee |
|---|---|
| Material | High-quality carbon-fiber-reinforced composite |
| Rated drivetrain support | Up to 58 kW at the shaft (actual output) |
| Belt size | 25 mm primary-drive belt |
| Operating conditions | Mud, water, sand and high drivetrain temperatures |
| Maintenance | No lubrication; inspect tension, alignment and wear regularly |
Fitment and selection
For Surron Ultra Bee only. Confirm the 25 mm pulley system and tooth profile before installation.
This belt is sold for the compatibility stated on this page. Do not assume fitment on another model only because the belt looks similar.
Package contents
- 1 EBG carbon primary drive belt in the selected size
- 1 complimentary EBG belt tension adjustment tool
Carbon belt care interval
For normal street use, inspect, clean and service the belt with an approved carbon-belt-safe maintenance solution every 1,000 km. After each enduro ride, clean away mud and abrasive grit and service the belt before the next ride. Follow the maintenance-product instructions to help extend carbon-belt service life.
Installation notes
Inspect the front and rear pulleys before installation. Replace damaged pulleys, align the drive correctly and set belt tension to the specification of the installed system. Professional installation is recommended. Recheck alignment and tension after the first ride.






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