SPECIFICATIONS

Battery: 48V 18Ah

Brand Name: QNUT

Certification: UL2849

Folded: No

Frame Material: STEEL

High-concerned chemical: none

Max Speed: <25km/h

Maximum Speed: 28MPH

Model Number: BK20

Motor: Brushless

Number of Speed: 7 Speeds

Origin: Mainland China

Power Source: Lithium battery

Power Supply: Lithium battery

Range per Power: > 60 km

Rated Passenger Capacity: One Seat

Style: Standard Type

Tire: 20*4.0" Fat Tire

Voltage: 48V

Wattage: 351 - 500w

Wheel Size: 20“

QNUT Retro Fat Tire Electric Bike for Adults

Meet your new adventure ride — QNUT retro moped-style ebike, blending classic vintage appearance with modern powerful performance. This 20-inch fat tire electric bike is built for urban commuting and all-terrain off-road trips.

⚡ Strong 1500W Peak Motor

The high-performance 1500W brushless hub motor brings incredible power output. Reach a maximum speed of 28MPH easily. Great climbing capability helps you conquer steep slopes, gravel roads, sandy beaches and snowy paths.

🔋 48V 18Ah Removable Battery for Long Range

Equipped with large-capacity 48V 18Ah lithium battery. The battery pack is detachable, so you can remove it and charge at home or office conveniently without moving the whole bike. Enjoy longer riding time on every trip.

🛞 20"×4.0 All-Terrain Fat Tires & Retro Frame

4.0 inch wide fat tires absorb bumps and vibrations, delivering stable & comfortable riding experience on all kinds of ground. Reinforced carbon steel retro frame with classic moped shape, it not only looks cool but also holds high load capacity.

🛡️ Safe & Complete Riding Configuration

Front and rear dual disc brakes ensure fast and stable braking for safety. Smart LCD display monitors your riding data in real time. Bright front headlight supports night riding. Multiple pedal assist modes for flexible riding choices.

✅ 3‑Level Adjustable Speed Gears

BK20 electric bike comes with 3 programmable speed gears to suit diverse riding scenarios.
• Gear 1: Max speed 15 mph —‑ low‑speed mode, stable and safe for crowded urban roads & beginner riders
• Gear 2: Max speed 20 mph —‑ balanced daily‑commute speed for routine trips
• Gear 3: Max speed 28 mph —‑ powerful high‑speed mode for highways & open‑area cruising

Quick gear switching on the LCD display, you can freely adjust speed according to terrain, traffic and personal riding habits. Enjoy flexible riding experience from relaxed city cruise to thrilling fast speed.

🚚 US Local Stock & After-sales Service

We keep inventory in US warehouse. Orders will be shipped out quickly by FedEx Express, only 2–7 business days delivery to your door. No long sea freight waiting.

✅ 1 Year Warranty for motor, battery and controller
✅ Free FedEx Shipping
✅ Professional customer support for any pre & after sales questions

📋 Specifications

• Brand: QNUT

• Motor: Peak 1500W Brushless Hub Motor

• Battery: 48V 18Ah Removable Lithium Battery

• Max Speed: 28MPH

• Wheel Size: 20" ×4.0 Fat Tire

• Frame: Carbon Steel Retro Frame

• Brake: Front & Rear Dual Disc Brake

• Display: LCD Smart Display

• Shipping: US Warehouse, FedEx 2-7 Days Delivery

• Warranty: 1 Year Manufacturer Warranty

Notes:

1. Please check your local e-bike laws before riding.

2. Assembly is required; package comes with assembly tools and manual.

3. Battery charging time: around 5-7 hours.