What category is the 2021 Zongshen Cyclone RX4?

The 2021 Zongshen Cyclone RX4 has a Category of Enduro / offroad.

What is the engine size of the 2021 Zongshen Cyclone RX4?

The 2021 Zongshen Cyclone RX4 has a Capacity: of 450.3 ccm (27.48 cubic inches).

What type of engine does the 2021 Zongshen Cyclone RX4 have?

The 2021 Zongshen Cyclone RX4 has a Engine type of Single cylinder, four-stroke.

What is the engine power of the 2021 Zongshen Cyclone RX4?

The 2021 Zongshen Cyclone RX4 has a Power of 40.2 HP (29.4 kW) @ 8000 RPM.

What is the torque of the 2021 Zongshen Cyclone RX4?

The 2021 Zongshen Cyclone RX4 has a Torque of 37.0 Nm (3.8 kgf-m or 27.3 ft.lbs) @ 7000 RPM.

What is the top speed of the 2021 Zongshen Cyclone RX4?

The 2021 Zongshen Cyclone RX4 has a Top speed of 160.0 km/h (99.4 mph).

Is the 2021 Zongshen Cyclone RX4 air cooled or liquid cooled?

The 2021 Zongshen Cyclone RX4 has a Cooling system of Liquid.

How many gears does the 2021 Zongshen Cyclone RX4 have?

The 2021 Zongshen Cyclone RX4 has a Gearbox of 6-speed.

What is the fuel consumption of the 2021 Zongshen Cyclone RX4?

The 2021 Zongshen Cyclone RX4 has a Fuel consumption of 3.60 litres/100 km (27.8 km/l or 65.34 mpg).

How much does the 2021 Zongshen Cyclone RX4 weigh?

The 2021 Zongshen Cyclone RX4 has a Weight incl. oil, gas, etc of 204.0 kg (449.7 pounds).

What is the seat height of the 2021 Zongshen Cyclone RX4?

The 2021 Zongshen Cyclone RX4 has a Seat height of 810 mm (31.9 inches) If adjustable, lowest setting..

Zongshen Cyclone RX4 - 2021 Specifications and Reviews

Name: 2021 Zongshen Cyclone RX4
Brand: Zongshen

The 2021 Zongshen Cyclone RX4 is a lightweight 450cc enduro bike designed for trail riders seeking affordable off-road performance. Its liquid-cooled four-stroke engine delivers 40 horsepower and 37 Nm of torque, offering responsive handling on mixed terrain. Known for value and reliability, it suits beginner to intermediate riders exploring adventure and off-road riding.

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General information
Category	Enduro / offroad
Year	2021
Model	Zongshen Cyclone RX4

Engine and Transmission Specifications
Greenhouse gases	83.5 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption	3.60 litres/100 km (27.8 km/l or 65.34 mpg)
Clutch	Wet plate
Transmission type	Chain (final drive)
Gearbox	6-speed
Cooling system	Liquid
Ignition	ECU
Fuel system	Injection
Valves per Cylinder	4
Bore x Stroke	94.5 x 64.0 mm (3.7 x 2.5 inches)
Compression	10.7:1
Top speed	160.0 km/h (99.4 mph)
Torque	37.0 Nm (3.8 kgf-m or 27.3 ft.lbs) @ 7000 RPM
Power	40.2 HP (29.4 kW) @ 8000 RPM
Engine type	Single cylinder, four-stroke
Capacity:	450.3 ccm (27.48 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes	Single disc. ABS
Front brakes	Single disc. ABS
Rear tire	170/70-18
Front tire	110/80-19
Rear Suspension	Monoshock, non-adjustable
Front Suspension	Standard hydraulic forks
Frame type	Steel
Physical measures and capacities
Oil capacity	0.90 litres (0.95 US quarts)
Fuel capacity	20.00 litres (5.28 US gallons)
Wheelbase	1425 mm (56.1 inches)
Ground clearance	210 mm (8.3 inches)
Overall width	880 mm (34.6 inches)
Overall length	2100 mm (82.7 inches)
Overall height	1390 mm (54.7 inches)
Alternate seat height	920 mm (36.2 inches) If adjustable, highest setting.
Seat height	810 mm (31.9 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc	204.0 kg (449.7 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Comments	Windscreen. Chinese bike.
Carrying capacity	Saddle bags, top box
Starter	Electric
Color options	Blue, silver, white, orange, red

Performance Profile & Rider Fit

40.2 hp

Peak Power

5.8s

0-60 mph

99.4 mph

Top Speed

Best For

Track25%

City55%

Cornering55%

Daily Riding65%

Touring72%

Passenger55%

Rider Profile

Best For	This bike suits riders with at least some prior experience, since the tall seat height and adventure-bike proportions can feel intimidating to newcomers.
Purpose	It's built as an adventure-touring machine, blending light off-road capability with long-distance road comfort thanks to its 20-litre tank and windscreen.
Rider Fit	At 810-920mm seat height and 204kg wet weight, shorter riders will need to consider the reach to the ground, though the weight itself is manageable for most.
Character	The RX4 has an unpretentious, practical character, offering respectable torque and a single-cylinder simplicity rather than outright excitement or refinement.
Not Ideal For	This is not the right bike for riders chasing high top speeds or track-day thrills, as its single-cylinder 40hp engine and adventure-touring build prioritize versatility over performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2021 Zongshen Cyclone RX4 Rider Ergonomics Assessment

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Feet:

At 810mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Zongshen Cyclone RX4, with a cramped knee angle of around 70 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

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MotorcycleDB Review

The 2021 Zongshen Cyclone RX4 motorcycle is a versatile and affordable adventure bike that offers a great combination of performance, comfort, and off-road capability. With its 445cc single-cylinder engine, the RX4 delivers smooth and linear power delivery that is well-suited for both highway cruising and off-road exploration. The bike also comes equipped with long-travel suspension, durable spoked wheels, and advanced ABS braking system, making it a reliable and capable option for riders looking to take on a variety of terrains. In addition to its impressive performance, the Zongshen Cyclone RX4 also stands out for its attractive pricing, making it an appealing option for adventure riders on a budget. With its comfortable ergonomics, rugged build quality, and a host of standard features, the RX4 offers a great value proposition in the adventure touring segment. Overall, the 2021 Zongshen Cyclone RX4 is a solid choice for riders looking for a capable and affordable adventure bike that doesn't compromise on comfort or performance.