BK-U1 mid-drive electric bicycle
BK-U1 mid-drive electric bicycle
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TüV and CE certified
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2-year warranty
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Intuitive mid-engine performance
Experience a natural and responsive riding feel thanks to the Ananda M60 mid-drive motor with integrated torque sensor . Unlike conventional motors, the BK-U1 detects your pedaling power in real time and provides smooth, virtually silent assistance. This makes tackling inclines of up to 25° as effortless as riding on flat terrain.
Unbeatable long-distance range
Say goodbye to range anxiety: With an impressive range of 120 km to 150 km per charge, the BK-U1 is the ideal partner for daily commutes and extended weekend tours. The high-performance battery (36V 13Ah) provides long-lasting power, while the 3A fast charger fully recharges the bike in just 4–5 hours.
Smart NFC & app connectivity
Dive into the future of urban cycling with NFC unlocking and dedicated app integration. Manage your ride settings, track your stats, and secure your e-bike with just one tap. No more fumbling for your key – perfect for a quick start to your day.
Maximum safety & all-weather control
Equipped with hydraulic ZOOM disc brakes for instant stopping power and puncture-proof 27.5" x 2.2" tires , the BK-U1 is built for the urban jungle. Thanks to its high durability, you'll always ride safely and confidently, even on uneven paths or wet roads.
First-class technology, excellent value for money
Combining a Shimano 7-speed drivetrain , a lightweight aluminum alloy frame, and professional components, this e-bike offers the performance of a high-end trekking bike. It's the ultimate, cost-effective mobility solution for modern professionals who refuse to compromise on quality.
Maximum safety and durability in the city
Worry-free riding on any surface. The BK-U1 is equipped with reinforced, puncture-proof 27.5" x 2.2" tires . Combined with professional ZOOM hydraulic disc brakes, you'll enjoy precise, powerful braking performance – even in wet conditions. This makes your daily commute both safe and comfortable.
Intuitive power through the Ananda M60 mid-drive motor
A truly exhilarating riding experience. Unlike conventional hub motors, the BK-U1 utilizes the highly advanced Ananda M60 mid-drive motor system combined with a high-precision torque sensor . The assistance seamlessly adapts to your natural pedaling rhythm and feels like a powerful extension of your own legs. Conquer inclines of up to 25° effortlessly, while the low center of gravity ensures perfect balance.
Limitless freedom: Up to 150 km range
Designed for demanding long-distance commuters. The 36V 13Ah high-performance battery delivers an impressive range of 120 km to 150 km on a single charge. Thanks to modern 3A fast-charging technology, the battery is fully charged again in just 4–5 hours. This means less time at the charging station and more time for exploring the city.
Smart connectivity: NFC & app integration
Experience true keyless freedom. Thanks to integrated NFC technology, you can unlock your e-bike with a simple tap. The dedicated smartphone app gives you complete control: customize performance settings, track your fitness data, and monitor system status in real time. Welcome to the digital age of urban mobility.
Features and details
Lockable suspension fork
Enjoy ultimate comfort on any surface. The high-quality suspension fork effectively absorbs shocks on uneven roads or cobblestones, providing a ride that feels like riding on clouds. On smooth asphalt or steep climbs, the fork can be easily locked out to directly translate your pedaling power into maximum speed.
Robust rear luggage rack
Transform your e-bike into a versatile everyday companion. The BK-U1 features a sturdy luggage rack that effortlessly carries work bags, shopping, or your weekend getaway gear. Its robust construction ensures safe handling even when fully loaded – the ideal car replacement for all your urban errands.
Integrated lighting system
Safety at any time of day: The BK-U1 comes standard with a powerful LED headlight and a bright rear light. This ensures you always have a clear view of the road ahead and remain highly visible to other road users from every angle. An essential system for safety during early morning commutes or nighttime rides.
Puncture-proof 27.5" x 2.2" tires
Master the urban jungle with ease. These high-volume, reinforced tires are designed for everyday city use and impress with their exceptional durability. In addition to reliable puncture protection, their width provides excellent cushioning and enhanced grip on uneven asphalt or wet roads.
Shimano 7-speed gears
The proven Shimano shifting system allows you to adapt smoothly to changing terrain and speeds. Whether for relaxed commuting or sporty weekend tours, the system offers reliable, low-maintenance performance and precise gear changes you can depend on in everyday use.
What is included in the package?
Electric bike including battery x 1
User manual x 1
NFC card x 2
Bicycle pump x 1
Bicycle lock x 1
Charger x 1
16-in-1 multi-tool
Battery key x 2
Specifications
Technische Spezifikationen
- Motor: Ananda M60 mid-drive motor (250W)
- Sensor: Intelligent torque sensor
- Battery: 36V 13Ah lithium-ion battery
- Charger: 3A fast charger (charging time 4–5 hours)
- Display: TW35 LCD smart display
- Maximum speed: 25 km/h
- Range: 120–150 km (in PAS mode)
- Climbing ability: 25°
- Pedal assist: 5 support levels (PAS)
- Gear system: Shimano 7-speed gear system
- Braking system: ZOOM hydraulic disc brakes
- Suspension: Lockable front suspension fork
- Tires: 27.5 × 2.2 inch puncture-proof pneumatic tires
- Frame material: Robust aluminum alloy
- Net weight: 27.35 kg
- Maximum payload: 150 kg
- Water protection class: IPX6
Geometrie
- A total length 186 cm
- B Handlebar height 110 cm
- C Wheelbase 115 cm
- D Standover height 85-107 cm
- E Top tube length 60 cm
- Handlebar length 67 cm
- Rider height 165-190 cm
FAQ
How many PAS levels does the BK-U1 have?
The BK-U1 has 5 PAS levels . The maximum assisted speed is 25 km/h (EU standard) in all levels. The difference lies in the level of assistance , not the speed.
Support ratio: 1 / 2 / 2.5 / 3 / 3.5 .
Why do the specifications for 150 kg load capacity and IPX6 water protection differ from the operating instructions?
The printed user manual has not yet been updated .
The BK-U1 supports a maximum load capacity of 150 kg and complies with the IPX6 water protection standard .
The water test report and the latest electronic manual are available upon request.