29 August. Saturday 2026
RFN Thunder 300 - 2025 Specifications and Reviews
The 2025 RFN Thunder 300 is a budget-friendly entry-level enduro bike powered by an air-cooled 271cc single-cylinder engine producing around 21 hp through a 5-speed manual gearbox. With a fully adjustable USD front fork, 340mm ground clearance, and a 129kg weight, it offers genuine off-road capability at a notably low price point for newcomers to enduro riding.
General information | |
| Price | GBP 1995. MSRP depends on country, taxes, accessories, etc. |
| Category | Enduro / offroad |
| Year | 2025 |
| Model | RFN Thunder 300 |
| | |
Engine and Transmission Specifications | |
| Starter | Electric & kick |
| Gearbox | 5-speed |
| Torque | 21.0 Nm (2.1 kgf-m or 15.5 ft.lbs) @ 6500 RPM |
| Power | 20.8 HP (15.5 kW) @ 8500 RPM |
| Fuel system | Carburettor |
| Cooling system | Air |
| Compression | 9.29:1 |
| Bore x Stroke | 75.0 x 61.4 mm (3.0 x 2.4 inches) |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 271.3 ccm (16.56 cubic inches) |
Physical measures and capacities | |
| Fuel capacity | 6.50 litres (1.72 US gallons) |
| Wheelbase | 1367 mm (53.8 inches) |
| Ground clearance | 340 mm (13.4 inches) |
| Seat height | 945 mm (37.2 inches) If adjustable, lowest setting. |
| Dry weight | 129.0 kg (284.4 pounds) |
RFN Thunder 300 dimensions and frame | |
| Rear brakes | Single disc. 240 mm. Hydraulic caliper. |
| Front brakes | Single disc. 270 mm. Dual-piston hydraulic caliper. |
| Rear tire | 100/90-18 |
| Front tire | 80/100-21 |
| Rear suspension | Single shock, adjustable rebound, 72mm travel |
| Front suspension | Upside-down fork, dual adjustable, 265mm travel |
Speed and acceleration | |
| Top speed | 99.8 km/h (62.0 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
20.8 hp
Peak Power
62 mph
Top Speed
Best For
Track25%
City15%
Cornering30%
Daily Riding20%
Touring15%
Passenger10%
Rider Profile
| Best For | Suited to newcomers wanting an affordable, genuine entry point into enduro riding without a premium price tag. |
| Purpose | A budget off-road enduro built for trail riding and beginner-to-intermediate off-road use. |
| Rider Fit | A tall 945mm seat height suits taller riders best, though the light 129kg weight helps offset that off-road. |
| Character | A no-frills, value-focused enduro with genuinely adjustable suspension rarely seen at this price point. |
| Not Ideal For | Not for road-focused riding, touring, or riders wanting premium build quality and refinement. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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