FLYPKIN FK20 750W Electric Bike for Adults, 31 MPH Full Suspension Fat Tire E-Bike with 48V 18Ah Removable Battery, 40–70 Mile Range, 2-Seater, UL 2849 Certified

Built for power and comfort, this electric bike features a 750W motor with up to 1500W peak output, delivering speeds up to 31 MPH for confident city rides and longer trips. The 48V 18Ah lithium battery provides a reliable 40–70 mile range and includes advanced BMS protection for safe, consistent performance.

A full dual-suspension system, 20×4” fat tires, and durable chromoly steel frame ensure a smooth and stable ride, even on rough roads. With disc brakes, a digital LCD display, integrated lighting, and a rear seat supporting up to 330 lbs, this e-bike is designed for experienced riders who want strength, control, and everyday practicality.

Detailed Specifications



Motor Power: 750W (Peak: 1500W)

Speed: 31MPH

Battery: 48V 18AH Lithium Ion Battery

Battery Protection: BMS, Short-Circuit, Overcharge, Overcurrent Protection

Charge Time: 7-8 Hours

Meter: Digital LCD Display

Battery Type: Lithium (864.8Wh)

Speed Levels: 5-speed levels

Shock Absorption: Dual suspension (Front and rear quad shock absorbers)

Brake Type: Disc brakes

Wheel Size: 20x4 inches

Wheel Material: Alloy Steel

Frame Material: Chrome Molybdenum Steel Frame

Weight Capacity: Maximum weight of 330 lbs (approx. 150 kg)

Minimum User Height: 165 cm

Skill Level: Advanced

Gear Configuration: Rear

Special Features: Multi-speed, dual suspension, mudguards, front light, rear seat

Included Components: Battery, charger, user manual, tool kit, rear seat

Product Package Dimensions: 55.5 x 35.4 x 12.6 inches

Package Weight: 111 lbs

• Strong Power for Daily Riding

  750W brushless motor with copper winding delivers up to 1500W peak output and 80 Nm of torque. Provides smooth acceleration, stable hill climbing up to 30°, and a top speed of 31 MPH for daily commuting and recreational riding.

• Long Range, Easy Charging

  48V 18Ah (864Wh) lithium battery supports rides up to 40 miles per charge. The removable battery design allows convenient charging at home, work, or outdoors, with a full charge in about 6 hours.

• Full Suspension for a Comfortable Ride

  Equipped with front suspension and rear quad shock absorbers to reduce vibration from uneven roads. Suitable for city streets, trails, snow, and beach paths, helping maintain comfort over longer rides.

• Clear Display & Simple Controls

  Large LCD screen clearly shows speed, battery level, and riding status. Includes 5 pedal-assist levels with adjustable speed settings via the app for flexible and controlled riding.

• Built for Comfort and Utility

  Wide upgraded seat and rear seat provide added comfort and carrying options. 7-speed gear system with a reliable rear derailleur ensures smooth shifting across different road conditions.