SSUQUOff-Road Vehicles & Two-Wheelers
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Gas Series

300cc Four-Stroke Air-Cooled Competition Dirt Bike – 21HP, 6-Speed, Balance Shaft

Factory Line

Rigorous quality control throughout the entire process, with every unit individually inspected before shipment. Our in-house production scheduling keeps delivery dates reliable, while still allowing flexibility for urgent orders. As a true factory-direct supplier, we cut out intermediary costs and deliver fast, efficient after-sales support.

Price

Price varies with configuration, order quantity, and destination port. Contact us for a quote tailored to your order.

MOQ

10

Trade & Cooperation

Lead Time
15 days
Payment
T/T, L/C, Credit Card, PayPal, Western Union, Escrow
Monthly Capacity
1000 units/month
Port
Major China ports (shipped from the nearest)
Packing
Packaging: Individually packed Loading Capacity: 20GP: 30 units 40GP: 70 units 40HQ: 105 units
  • Balance-shaft 300CC four-stroke engine delivers smooth, powerful torque with minimal vibration on long, demanding rides—reducing rider fatigue, preventing component-loosening failures, and lowering downtime and maintenance costs.
  • CNC steering stem and 270° folding brake/clutch levers offer strong protection when the bike tips over on rough terrain, minimizing crash damage, after-sales replacement costs, and downtime.
  • Tuned for 21HP peak power and peak torque at 8000RPM—engineered for off-road adventure on forest trails, hills, gravel, and other unpaved surfaces, meeting the advanced performance demands of adult riders.
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Specifications

ModelGAS-PR300
Motor300CC, four-stroke, air-cooled, SOHC, 2-valve, with balance shaft.
Motor ModelPR300(175FMN)
Bore × Stroke (mm)74 × 61.4
Maximum power17Kw(21HP)/8000RPM
gearsInternational 6-speed 1-N-2-3-4-5-6
tireFront tire: 90/90-21, rear tire: 120/90-18
Fuel Tank Capacity (L)8L
Fuel Supply MethodNIBBI PE30 Carburetor
Front shock absorber53-58.5-910MM Dual Adjustable
Rear Shock AbsorberDual Adjustable Air Reservoir 445mm
Overall Vehicle Dimensions (L×W×H mm)2155×810×1290 mm
Wheelbase1490MM
Seat height935mm
Net Vehicle Weight / Packed Weight117 kg / 135 kg
Packaging Dimensions (mm)1540*435*830 mm
Packing & BoxingPackaging: Individually packed Loading Capacity: 20GP: 30 units 40GP: 70 units 40HQ: 105 units

* Specifications are theoretical values under standard test conditions; actual performance may vary with load, terrain, temperature and usage. Specifications are subject to change without notice.

Product Details

300cc Four-Stroke Engine: Off-road tuned for smooth, powerful torque delivery. CNC Precision Steering Stem: Increases steering rigidity and handling stability on rugged terrain. Clutch/Brake Levers: CNC 270° folding design. Gear Shift Lever: Foldable aluminum alloy construction for protection and convenience.

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