Product Description
BK27PRO – 28-Inch City Electric Bike for Everyday Commuting
The BK27PRO is a 28-inch city electric bike designed for daily commuting, shopping, urban travel and longer leisure journeys.
With a removable 48V 16Ah battery, up to 120 km reference range, ZOOM hydraulic disc brakes and smart NFC and App functions, it combines long-distance capability with practical equipment for everyday city use.
Removable 48V 16Ah Battery – Up to 120 km Range
The BK27PRO is equipped with a removable 48V 16Ah lithium-ion battery with 768Wh capacity.
It provides a reference pedal-assisted range of up to 120 km per charge, helping reduce the need for frequent charging during regular commuting and longer journeys.
The battery can be removed from the bike for convenient charging at home or at work.
Battery: 48V 16Ah / 768Wh
Battery type: Removable lithium-ion
Maximum reference range: Up to 120 km*
ZOOM Hydraulic Disc Brakes
The BK27PRO features front and rear ZOOM hydraulic disc brakes for responsive and progressive braking.
The hydraulic system provides controlled braking for everyday urban riding, including busy traffic, descents and wet road conditions.
28 × 2.0-Inch Puncture-Resistant Tyres
The large 28 × 2.0-inch puncture-resistant tyres provide stable rolling performance for city roads and longer journeys.
Their larger diameter supports efficient riding on urban roads, cycle paths and other paved surfaces.
Front Suspension for Added Comfort
The front suspension fork helps absorb shocks and vibrations from uneven roads, paving and rougher urban surfaces.
Combined with the 28-inch tyres, it provides additional comfort during daily commuting and longer rides.
7-Speed Drivetrain
The 7-speed drivetrain allows riders to select a suitable gear for different gradients and riding conditions.
It provides additional flexibility when travelling through city traffic, riding on flatter roads or tackling moderate climbs.
NFC Unlocking and Mobile App
The BK27PRO includes smart connectivity features designed for convenient everyday use.
Available functions include:
NFC unlocking
Bluetooth connectivity
Mobile App
Anti-theft functions
Ride recording
Battery monitoring
Assistance settings
Light control
GPS direction guidance
The multifunction display provides key riding information while travelling.
Practical Equipment for Daily City Use
The BK27PRO comes equipped with practical features for commuting, shopping and everyday transport.
Equipment includes:
Rear luggage rack
Front and rear mudguards
Front light
Reflective rim strips
Front suspension fork
The rear rack provides useful carrying capacity for bags and everyday luggage, while the mudguards help reduce road spray during regular city riding.
Aluminium Alloy Frame
The aluminium alloy frame combines strength with a net bike weight of approximately 26.5 kg.
The BK27PRO supports a maximum total load of 120 kg.
IP54 Protection Rating
The electrical system has an IP54 protection rating, providing protection against limited dust ingress and water splashes during normal everyday use.
High-pressure cleaning of electrical components should be avoided.
TÜV EN15194 Conformity
The BK27PRO conforms to TÜV EN15194 requirements for electrically power-assisted cycles.
Technical Specifications
Model: BK27PRO
Type: City / Urban Electric Bike
Wheel size: 28 inches
Tyres: 28 × 2.0-inch puncture-resistant tyres
Frame: Aluminium alloy
Battery: 48V 16Ah / 768Wh
Battery type: Removable lithium-ion
Maximum reference range: Up to 120 km*
Maximum assisted speed: 25 km/h
Drivetrain: 7-speed
Brakes: Front and rear ZOOM hydraulic disc brakes
Suspension: Front suspension fork
Display: Multifunction display
NFC: Yes
Bluetooth: Yes
Mobile App: Yes
GPS direction guidance: Yes
Anti-theft function: Yes
Rear rack: Yes
Mudguards: Yes
Front light: Yes
Reflective elements: Rim reflective strips
Net weight: 26.5 kg
Maximum load: 120 kg
Protection rating: IP54
Conformity: TÜV EN15194
Included accessories: Charger, 2 battery keys, mini pump, combination lock, tools and manual
Range Information
*The stated range is a reference value measured under favourable conditions. Actual range may vary depending on rider weight, terrain, wind, temperature, tyre pressure, assistance level, riding speed and battery condition.
Care and Maintenance
Charge the removable battery indoors at moderate room temperature whenever possible.
Check tyre pressure, brake condition and bolt tightness regularly. Keep the drivetrain clean and lubricated, and avoid using a high-pressure washer around electrical components.