48v 20ah LG Battery

“Ride longer with fewer charges.”

Retro-Inspired Design

“Classic styling that stands out in the city.”

750W Brushless Motor

“Smooth Power for Intelligent Living.”

20x4.0 Fat Tires

"Small Wheels, Bold Adventures."

Full Suspension

"Conquer the Cobblestones with Ease."

150kg Max Load

"Carry More, Do More."

Warum Helio U?

Helio U ist ein Urban-E-Bike mit Drehmomentsensor für den täglichen Stadtverkehr. Leicht, wendig und komfortabel bietet es eine natürliche Unterstützung für weniger ermüdende Fahrten. Für verschiedene Lebensphasen konzipiert, steht Helio U für sicheren Fahrfluss, Alltagstauglichkeit und verlässliche Kontrolle. Praktisch, zuverlässig und zugänglich – mit Fokus auf echten Nutzwert statt unnötiger Komplexität.

Dual Suspension, Infinite Comfort.

Built with a retro high-carbon steel frame and engineered with advanced front and rear dual suspension. It double-filters road vibration, effortlessly melting away fatigue on historic cobblestones or rugged trails. Enjoy an untired, cloud-like cruise.

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Go Further, Worry Less.

Equipped with a 960Wh ultra-large capacity removable battery, it delivers an impressive maximum range of up to 80km. Whether navigating your daily city commute or escaping the hustle and bustle for a weekend in nature, it injects your journey with pure, worry-free confidence.

Sharp Braking, Safe Ride.

Equipped with front and rear disc brakes, delivering powerful and predictable stopping power. Whether navigating sudden city traffic or riding on rainy, wet streets, it ensures a safe, confident stop every single time.

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Sofa-Like Comfort, Vintage Soul.

Premium Oversized Retro Leather Saddle. Designed for long-distance cruising without fatigue.

Color Display

Smart Color Display with 1-5 PAS. Tailor your speed and sweat level with a simple click.

Illuminate LED Light

Bright headlights ensure clear night visibility, while the turn-signal taillight enhances rear safety for a more secure ride.

Shimano 7-Speed Drivetrain

Provides smooth shifting and versatile speeds for effortless hill climbing and comfortable city riding.

150kg Max Load

From carrying a passenger or your child to hauling heavy grocery bags, it handles your daily cargo with absolute ease.

Specifications
Model
BK20
Recommended Rider Height
152 - 190 cm (5'0" - 6'3")
Motor Type
750W Brushless Motor
Battery
48V 20Ah Lithium-ion Battery
Default Speed
25 km/h
Range
30 - 50 miles / 48 - 80 km
Pedal Assist Levels
1-5 PAS (Pedal Assist System) levels
Drivetrain System
Shimano 7-Speed
Sensor
Speed Sensor
Throttle Type
Thumb Throttle
Charging Voltage & Current
DC 54.6V 2A
Power Requirement
110-240V
Charging Time
6 - 8.5 hours
Maximum Payload
330 lbs / 150 kg
Tire Size
20 x 4.0 inch Fat Tires
Suspension
Front and rear dual suspension
Brake System
Front and rear disc brakes
Frame Material
High-Carbon Steel
Lights
Front and rear lights (with turn signals)
Display Type
Color LCD Display
Waterproof Rating
IPX4
Product Dimensions
163 x 18 x 109 cm
Package Dimensions
141 x 28 x 87 cm
Net Weight
87 lbs / 39.5 kg
Package Weight
106 lbs / 48 kg
Certifications
CE & EN15194 Certified
Motor Hub
1300 W peak power, 90 Nm torque
What's in the box
What's in the box
Geometry
Geometry

FAQ

How much does this bike weigh?

The total weight of the bike is 87 lbs.

What is the range of the BK20 e-bike in kilometers?

In pedal-assist mode, the range can reach up to 80 km.

What material is the frame made of?

The frame is made of high-carbon steel, balancing lightweight design with high strength. It is a mainstream, premium material choice for electric bicycles.

Is my height suitable for the BK20?

The recommended rider height is 152–190 cm.

Can I ride this e-bike on rainy days?

Absolutely. Our e-bike features an IPX4 waterproof rating, ensuring reliable performance in the rain or wet environments. However, for your safety and to extend the bike's lifespan, we recommend avoiding deep puddles and wiping down the battery connection points after riding in the rain.

How long is the warranty period for this e-bike?

The BK20 comes with a 1-year limited warranty.

How long should I keep the original packaging box?

Please keep the original packaging and components for at least 15 days after delivery, in case you need them for any returns, exchanges, or repairs.

Do you support installment payments?

Yes, we support Klarna financing/installment payments.

Where will my package be shipped from?

Your package will be shipped from our local warehouse in Germany.

Is the battery removable?

Yes, the battery is designed to be removable, allowing you to take it off and charge it anytime, anywhere.