QNUT BK20 Vintage Chopper Fat Tire Electric Bike | Ship From US Warehouse

QNUT BK20 combines iconic vintage chopper appearance with outstanding off‑road capability. It works great for city daily commuting, beach trip, snow riding and mountain off‑road adventure. Stock stored in US local warehouse for fast domestic delivery.

⚡1500W Peak Brushless Motor｜80NM Maximum Torque

Peak 1500W brushless motor delivers 80NM powerful torque. Max speed reaches 28MPH. It supports up to 30° pedal‑assist climbing, easily conquers slopes, gravel roads, beaches and snow ground for both city streets and wild trails.

🔋48V 18AH Removable Lithium Battery

Large‑capacity removable battery allows you to take it indoors for charging conveniently. Satisfy your long‑distance travel demands for commuting and weekend outdoor trips.

🚴7‑Speed Gear Adjustment System

Professional 7‑speed shifting system. You can freely switch gears for climbing, acceleration and steady cruising, perfectly adapted to variable off‑road and urban terrain.

🛞20"×4" Puncture‑Proof Fat Tire + Full Suspension

20‑inch 4‑inch wide puncture‑proof fat tires greatly improve road grip. Matched with front suspension fork and rear shock absorber, it effectively absorbs road bumps and delivers comfortable riding experience on various rough surfaces.

🏋️Heavy‑Duty Frame & Retro Chopper Look

Classic chopper‑style frame with comfortable saddle. Max load capacity up to 264.5 LBS, whole bike weighs 77.2 LBS. Ergonomic geometry for long‑time riding comfort.

🛡️Complete Safety Configuration

Front‑rear disc brake system provides reliable sensitive braking. Bright front headlight supports safe night riding. Robust metal frame ensures long service life.

 

✅ 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 Warehouse Shipment

Goods are stocked in United States warehouse. Fast local shipping, short delivery time, no long‑time cross‑ocean transportation.

🎯Application Scenarios

City commuting, beach riding, snow riding, mountain off‑road, weekend leisure outing, short‑distance travel.

Note: Actual top speed and cruising range will be influenced by rider weight, cargo load, road condition, tire pressure and ambient temperature. Please follow local e‑bike traffic regulations while riding.

【Unique and retro】Inspired by retro style, this unique vintage design is sure to turn heads on the streets. Whether you're navigating the city or enjoying outdoor adventures, it's the ultimate expression of personality for adult electric bikes, making you the center of attention wherever you go.

【Unleash the Power】The Electric bicycle for adults with 1500W Peak powerful motor, it delivers powerful acceleration and a top speed of up to 28MPH. The 7-speed transmission system allows you to effortlessly handle various road conditions, whether climbing hills or sprinting on flat terrain, enjoying the thrill of speed.

【Go the Distance】The Adult electric bicycle with a removable 48V 18Ah high-capacity lithium-ion battery, combined with an intelligent battery management system (BMS), ensuring safe and efficient power supply. A single charge can meet your daily commuting, weekend outings, or even short-distance adventures. The removable battery design allows for convenient and flexible charging, keeping your exploration journey going non-stop.

【Master Any Terrain】The Electric bike with 20"x4.0" ultra-wide fat tires, it offers unparalleled traction and stability. Whether on urban paved roads, forest trails, soft sandy beaches, wet snowy terrain, or muddy dirt roads, The electric dirt bike handles them all with ease. The front and rear suspension system effectively absorbs bumps, ensuring a comfortable riding experience. The front and rear dual disc brakes provide powerful and linear braking force, ensuring safe stopping in all weather conditions.

【Ride Smart, Ride Easy】The clear and intelligent LCD display is your riding commander. It displays real-time speed, precise battery level, total mileage, and single-trip mileage, keeping you fully informed about the vehicle's status. Easily switch between multiple power-assist modes—all information is at your fingertips, making your ride smarter, safer, and more convenient.

【Designed for Comfort & Convenience】The ergonomic leather seat provides excellent support and comfort for long-distance riding. Convenient bottle holders and large storage bags keep your water bottle and personal items secure and within reach. Powerful LED headlights illuminate the darkness ahead, while prominent signal lights significantly enhance visibility and safety in nighttime and low-light conditions, ensuring safe nighttime riding. A free air pump is included, allowing you to maintain tire pressure at any time and ensure optimal riding performance.

【Ride with Confidence】The Electric mountain bike has a strict UL2849 test report, providing industry-recognized safety assurance. The vehicle is 85% pre-assembled, significantly simplifying your installation process. We offer clear and easy-to-understand installation and usage video guides, as well as a professional and reliable customer support team to answer your questions and resolve any concerns.