- * High‑Performance 750W Peak Brushless Motor Adult Electric Bike *: Built as a reliable commuter e‑bike for urban travel and outdoor mountain riding, this adult ebike delivers stable power output from its 750W peak brushless motor. It hits a top speed of 19 MPH and easily handles moderate steep inclines. Well‑suited for city commutes, paved city roads and casual off‑road trail routes, this electric mountain bike maintains consistent riding performance on diverse road surfaces.
- * Long‑Range 48V 5.2Ah Lithium‑Ion Commuter E‑Bike Battery *: This adult electric commuter bike features a high‑capacity 48V 5.2Ah lithium battery, delivering up to 30 miles max range per full charge. Full charging completes within 4‑5 hours to satisfy your long‑distance daily travel demands. Note: actual riding range will differ based on rider weight, terrain road conditions and pedal assist level.
- * 3‑Speed Drivetrain Versatile Mountain E‑Bike *: This adult electric mountain ebike comes with a professional 3‑speed gear drivetrain for ultra‑smooth, precise gear shifting. Adjust speed freely to match varied riding scenarios: flat‑road cruising, steep hill climbing and downhill speeding. Adaptable for city streets, rugged mountain trails and mixed terrain, this adult e‑bike fits both daily commuting and outdoor recreational adventures.
- * 26×1.95‑Inch Heavy‑Duty Rugged Tires & Smart LCD Dashboard *: This adult electric bike is fitted with thickened 26×1.95 inch mountain‑grade heavy‑duty tires for strong grip traction and excellent shock absorption, ensuring stable rides on city pavements, gravel country roads and bumpy wild trails. The upgraded simple LCD dashboard clearly displays real‑time speed, traveled mileage and remaining battery power, ideal for daily commutes and outdoor camping trips.
- * 90% Pre‑Assembled UL Certified Adult E‑Bike with 12‑Month After‑Sales Support *: This complete adult electric bike arrives 90% pre‑assembled out of box; you can finish quick final installation in minutes without complex specialized tools. Fully SGS‑certified, meeting ANSI/CAN/UL 2849 full‑vehicle safety standard and ANSI/CAN/UL 2271 lithium‑ion battery safety standard. We also provide 12‑month comprehensive professional after‑sales service, letting you ride safely and enjoy every trip with total peace of mind.
Specifications
| Battery capacity | 5.2 Amp Hours |
|---|---|
| Maximum travel distance | 30 mi |
| Maximum speed | 19 mph |
| Watts | 250 W |
| Bicycle type | Mountain Bikes |
| Brand | Unbranded |
| Charging time | 5 h |
| Weight | 42.5 lb |
| Frame material | Aluminum Alloy |
| Has written warranty | No |
| Color | Black |
| Speeds | 3 |
| Max load | 265 lb |
| Wheel size | 20 in |
| Is assembly required | Y |
| Bicycle brake design | Disc Brakes |
| Color category | Black |
| Battery life | 1000 h |
| Volts | 48 V |
| Has nrtl listing certification | N |
| Power type | Battery |
| Amps | 2 A |
| Minimum recommended age | 80 years |
| Age group | Adult, Teen |
| Gender | Unisex |
| Assembled product dimensions (l x w x h) | 55.90 x 1.95 x 35.00 in |
| Model | BK20D |






















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