Apollo DB-21 70cc Semi-Automatic Dirt Bike

The Apollo DB-21 is a youth-size 70cc dirt bike designed to help newer riders build confidence on trails and private off-road property. Its four-stroke, air-cooled single-cylinder engine pairs with a semi-automatic transmission, giving the rider gear control without a hand-operated clutch. Included training wheels add support while a young rider learns balance and throttle control.

The DB-21 uses a kick-start system, chain drive, hydraulic front forks, dual coil-over rear shocks, and 10-inch front and rear wheels. Front and rear drum brakes provide straightforward stopping control. A compact 21.7-inch seat height and 5.7-inch ground clearance make it approachable for smaller riders.

Key Specifications

• Engine: 70cc four-stroke, air-cooled single cylinder
• Carburetor: PZ19
• Transmission: Semi-automatic
• Starter: Kick start
• Drive: Chain
• Front suspension: Hydraulic forks
• Rear suspension: Dual coil-over shocks
• Brakes: Front and rear drum
• Wheels: 10-inch front / 10-inch rear
• Fuel capacity: 3.5 liters
• Maximum speed: Up to 31 mph under ideal conditions
• Seat height: 21.7 inches
• Ground clearance: 5.7 inches
• Net weight: Approximately 110 lb
• Maximum load: 150 lb
• Manufacturer recommended age: 8–12
• Manufacturer warranty: 3 months

Some assembly and dealer preparation may be required. Adult supervision, approved safety gear, rider training, and compliance with local laws are required. Colors and graphics may vary slightly from the product image.