Product Description
Folding electric bike with 20×4.0-inch tyres for everyday use
The BK10 is a versatile folding electric bike with wide 20×4.0-inch tyres. It is suitable for daily city rides, commuting and leisure riding across different surfaces. The 250W rear motor provides smooth assistance and supports a maximum speed of up to 25 km/h.
36V 12Ah battery – up to 90 km range
The integrated 36V 12Ah lithium battery has a capacity of 432 Wh and provides an approximate range of 35–90 km. Charging time is approximately 5.5–6 hours.
Actual range may vary depending on rider weight, temperature, road conditions, terrain, tyre pressure, assistance level and riding style.
Wide 20×4.0-inch tyres
The wide 20×4.0-inch pneumatic tyres provide a large contact area and stable handling on asphalt, city roads, gravel, park paths and light unpaved routes.
Front suspension for added comfort
The front suspension helps absorb bumps and uneven surfaces. Together with the wide tyres, it improves comfort across changing surfaces.
Shimano 7-speed gearing
Shimano 7-speed gearing allows the gear ratio to be adapted to flat roads, longer rides and gradients.
Folding design
The BK10 frame can be folded for easier transport and compact storage.
Folded size: approx. 92 × 50 × 80 cm
This makes it practical for commuting, car transport and homes with limited storage space.
Rear motor and 2 riding modes
The BK10 is equipped with a 250W rear motor. Assistance mode and normal pedalling mode are available, allowing the bike to be ridden with or without motor support.
Front and rear disc brakes
The BK10 has disc brakes on both wheels, providing reliable braking and improved control in city traffic, descents and changing conditions.
LCD display and lighting
The multifunction LCD shows important riding information such as speed, distance and battery level. Front and rear lights improve visibility in low-light conditions.
Practical rear rack
The integrated rear rack provides extra space for small luggage or shopping and improves everyday practicality.
Technical specifications
• Model: BK10
• Type: folding electric bike / fat bike
• Frame: aluminium
• Motor: 250W rear motor
• Maximum speed: 25 km/h
• Battery: 36 V / 12 Ah
• Capacity: 432 Wh
• Range: approx. 35–90 km
• Charging time: approx. 5.5–6 hours
• Gears: Shimano 7-speed
• Riding modes: assistance / normal pedalling
• Wheel size: 20 inch
• Tyres: 20 × 4.0 inch
• Front suspension: yes
• Brakes: front and rear disc brakes
• Maximum gradient: up to 25°
• Maximum load: 120 kg
• Water resistance: IP54
• Display: multifunction LCD
• Front light: yes
• Rear light: yes
• Net weight: approx. 27.7 kg
• Gross weight: approx. 34.7 kg
• Unfolded size: approx. 165 × 58 × 116 cm
• Folded size: approx. 92 × 50 × 80 cm
Range note: the stated maximum range of 90 km is a reference value under favourable conditions. Actual range may vary depending on rider weight, temperature, terrain, road conditions, assistance level, tyre pressure and riding style.
