These are the known mechanical and performance specifications for your 2021 Zongshen Cyclone RX4.
Basic Specs

Engine
Displacement450.3 ccm (27.48 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression10.7:1
Bore/Stroke94.5 x 64.0 mm (3.7 x 2.5 inches)
Valves/Cylinder4
FuelingInjection
IgnitionECU
Exhaust
Lubrication
CoolingLiquid
Performance
Horespower40.2 HP (29.4 kW) @ 8000 RPM
Torque37.0 Nm (3.8 kgf-m or 27.3 ft.lbs) @ 7000 RPM
Top Speed160.0 km/h (99.4 mph)
Fuel Economy & Polution
Fuel Consumption3.60 litres/100 km (27.8 km/l or 65.34 mpg)
Fuel Capacity20.00 litres (5.28 US gallons)
Emissions83.5 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeSteel
Rake
Trail
Front SuspensionStandard hydraulic forks
Front Travel
Rear SuspensionMonoshock, non-adjustable
Rear Travel
Seat
Seat Height810 mm (31.9 inches) If adjustable, lowest setting.
Alt. Seat Height920 mm (36.2 inches) If adjustable, highest setting.
Total Height1390 mm (54.7 inches)
Total Length2100 mm (82.7 inches)
Total Width880 mm (34.6 inches)
Ground Clearance210 mm (8.3 inches)
Wheelbase1425 mm (56.1 inches)
Dry Weight
Wet Weight204.0 kg (449.7 pounds)
Wheels & Brakes
Front Tire/Tyre110/80-19
Rear Tire/Tyre170/70-18
Front BrakesSingle disc. ABS
Front Brake Diameter
Rear BrakesSingle disc. ABS
Rear Brake Diameter
Wheels
Comments
Windscreen. Chinese bike.