Product Description
Folding electric bike with 20×4.0-inch tyres for everyday use
The BK10S combines a compact folding design, wide 20×4.0-inch tyres and a robust aluminium frame. It is suitable for daily city rides, commuting and leisure riding across different surfaces.
250W rear motor with pedal assistance
The 250W rear motor provides smooth support while pedalling and supports a maximum assisted speed of up to 25 km/h.
Two riding modes are available:
• pedal assistance
• normal pedalling
Removable 48V 12Ah battery – 576Wh and up to 90 km range
The removable 48V 12Ah lithium-ion battery has a capacity of 576 Wh and provides an approximate range of 35–90 km in assistance mode.
The battery can be easily removed and charged separately. The charger output is 54.6 V / 2 A. Charging time is approximately 7 hours.
Actual range may vary depending on rider weight, temperature, terrain, road conditions, tyre pressure, assistance level and riding style.
Wide 20×4.0-inch tyres
The wide tyres provide a large contact area and stable handling on asphalt, city roads, cycle paths, gravel and light unpaved routes.
Front suspension
The front suspension helps absorb bumps and uneven surfaces. Together with the wide tyres, it improves comfort and stability.
Shimano 7-speed gearing
Shimano 7-speed gearing allows the gear ratio to be adapted to flat roads, longer rides and gradients.
Folding aluminium frame
The aluminium-alloy frame can be folded for easier transport and compact storage.
Folded size: approx. 92 × 50 × 80 cm
Front and rear disc brakes
The BK10S has disc brakes on both wheels, providing reliable braking and improved control in city traffic and changing conditions.
Display and lighting
The multifunction display shows speed, distance travelled and battery level. Front and rear lights improve visibility in low-light conditions.
Technical specifications
• Model: BK10S
• Type: folding electric bike / fat bike
• Frame: aluminium alloy
• Motor: 250W rear motor
• Maximum assisted speed: 25 km/h
• Riding modes: assistance / normal pedalling
• Battery: 48 V / 12 Ah lithium-ion, removable
• Capacity: 576 Wh
• Range: approx. 35–90 km
• Charger output: 54.6 V / 2 A
• Charging time: approx. 7 hours
• Gears: Shimano 7-speed
• 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
• Operating temperature: -10 °C to 45 °C
• Display: multifunction
• 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
Included
• 1 × electric bike
• 1 × air pump
• 1 × bicycle lock
• 1 × charger
• 1 × assembly tools
• 1 × user manual
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.