Meet the KOOLUX BK6S, the ultimate folding electric mountain bike that blends rugged off-road capability with commuter convenience. Engineered with durable 20x4.0” puncture-resistant fat tires, a high-torque 250W motor, and a long-range 48V 15Ah lithium battery, this e-bike is your passport to adventure—whether you're cruising through city streets, powering up steep hills, or exploring sandy shores and snowy trails.

Designed for performance and practicality, the KOOLUX BK6S features a foldable steel frame, Shimano 7-speed drivetrain, and front suspension for a smooth, responsive ride. Its compact folding size makes it perfect for car trunks, RV trips, or small apartment storage—delivering powerful mobility without compromising portability.

Key Features:

• ⚡ 250W High-Efficiency Rear Hub Motor – Delivers up to 60Nm of torque for powerful climbs and steady cruising.
• 🔋 48V 15Ah Lithium Battery – Travel up to 59 miles per charge (up to 95 km in ideal conditions).
• 🛞 20x4.0” Fat Tires with Puncture Resistance – Tackle all terrains: urban, trail, snow, or sand.
• 🚲 3 Riding Modes – Choose from Pedal Assist, Full Electric (with throttle), or Classic Pedal Mode.
• 🧳 Foldable Frame Design – Save space and transport easily; perfect for commuters and travelers.
• 🌟 Front Suspension Fork – Absorbs shocks for a smoother, more comfortable ride on rough roads.
• 🧭 Multifunction LCD Display – Real-time tracking of speed, battery life, trip distance, and assist level.
• 🧩 Shimano 7-Speed Gear System – Easily shift through gears for responsive performance on any incline.
• 🔒 Reliable Mechanical Disc Brakes – Dependable stopping power in all weather and terrain conditions.
• 💡 Integrated LED Lighting – Bright front headlight and responsive rear brake light enhance nighttime visibility.

Technical Specifications:

Why Choose the KOOLUX BK6S?

• ✅ All-Terrain Performance
  From city commutes to wild trails, the BK6S is designed to handle it all with powerful traction and smooth handling.
• ✅ Space-Saving Folding Frame
  Take it anywhere. The foldable design fits into car trunks, closets, and compact living spaces—perfect for urban riders or weekend adventurers.
• ✅ Endurance + Comfort
  With a 59-mile max range, front suspension, and oversized tires, long rides are no longer tiring—they're exhilarating.
• ✅ Ride Your Way
  Switch between 3 riding modes to suit your fitness goals, commute, or weekend exploration. Throttle included for pure electric cruising.
• ✅ Smart, Safe, and Stylish
  Equipped with LED front/rear lighting, a smart LCD display, and a rugged-yet-sleek design, the BK6S offers both functionality and aesthetics.

FAQs

Q: How far can I ride on a single charge?
A: The KOOLUX BK6S offers up to 59 miles (95 km) of range per charge, depending on terrain, rider weight, and assist level.

Q: Is it suitable for off-road trails?
A: Yes! The 20x4.0” fat tires, front suspension, and 250W motor make it perfect for off-road conditions, including trails, sand, and snow.

Q: Is the battery removable?
A: Yes, the 48V 15Ah battery is removable, making it easy to charge at home or in the office.

Q: How long does it take to charge?
A: Charging takes approximately 5–6 hours from 0–100%.

Q: What is the max speed?
A: The bike reaches a top speed of 15.5 MPH (25 km/h) and can be unlocked to go up to 30 km/h (where local laws permit).

Q: Can it be used without electric assistance?
A: Absolutely. You can ride the BK6S like a traditional bike using pedal-only mode, which is great for exercise.

Q: Does it come with the throttle?
A: Yes, a twist throttle is included for pure electric riding without pedaling.

🚴♂️ Unleash Your Adventure with KOOLUX BK6S

Ready to redefine your ride? Whether you're commuting, exploring off-road trails, or simply enjoying the outdoors, the KOOLUX BK6S is your powerful, foldable, and all-terrain-ready companion. Take the road less traveled—with comfort, performance, and style.