BMW Definition CE 04 - 2021 Specifications and Reviews
The 2021 BMW Definition CE 04 is an electric concept motorcycle designed for urban commuters seeking modern, sustainable mobility. Its liquid-cooled synchronous motor delivers 42 horsepower with instant torque, suitable for city riding up to 120 km/h. The bike is best known as BMW's vision for the future of electric two-wheelers, emphasizing innovative design and emission-free performance.
2021
General information | |
| Category | Prototype / concept model |
| Year | 2021 |
| Model | BMW Definition CE 04 |
| | |
Engine and Transmission Specifications | |
| Transmission type | Belt (final drive) |
| Gearbox | 1-speed |
| Cooling system | Liquid |
| Top speed | 120.0 km/h (74.6 mph) |
| Torque | 61.0 Nm (6.2 kgf-m or 45.0 ft.lbs) @ 4900 RPM |
| Power | 42.0 HP (30.7 kW) @ 4900 RPM |
| Engine details | Permanent-magnet liquid-cooled synchronous motor |
| Engine type | Electric |
Brakes, suspension, Frame and wheels | |
| Wheels | Cast aluminum |
| Rear brakes | Single disc. ABS. Floating disc. 1-piston floating calipers. |
| Diameter | 270 mm (10.6 inches) |
| Front brakes | Double disc. ABS. Floating discs. 4-piston calipers. |
| Rear tire | 160/60-R15 |
| Front tire | 120/70-R15 |
| Rear wheel travel | 92 mm (3.6 inches) |
| Rear Suspension | Single-sided swing arm/central spring strut |
| Front wheel travel | 100 mm (3.9 inches) |
| Front Suspension | Single-bridge telescopic forks |
| Trail | 120 mm (4.7 inches) |
| Rake (fork angle) | 26.5° |
| Frame type | Steel double loop |
Physical measures and capacities | |
| Wheelbase | 1675 mm (65.9 inches) |
| Overall width | 947 mm (37.3 inches) |
| Overall length | 2285 mm (90.0 inches) |
| Overall height | 1150 mm (45.3 inches) |
| Seat height | 855 mm (33.7 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.1826 HP/kg |
| Dry weight | 230.0 kg (507.1 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | 8.5 kWh 148V lithium-ion battery. 40 lithium-ion battery cells. Charging 3.5 hours to 80%, with quick charger 65 min. |
| Light | LED headlight |
| Electrical | 12 V / 5 Ah, maintenance-free secondary battery. |
| Instruments | 10.25†TFT display including BMW Motorrad Connectivity |
| Starter | Electric |
| Color options | Mineral White Metallic |
Performance Profile & Rider Fit
42 hp
Peak Power
74.6 mph
Top Speed
Best For
Track5%
City90%
Cornering40%
Daily Riding80%
Touring30%
Passenger45%
Rider Profile
| Best For | Suitable for new riders and scooter-license holders thanks to its automatic transmission, low top speed, and non-threatening power delivery. |
| Purpose | Built as an urban electric commuter scooter, not a performance or long-distance machine, with a capped 74.6 mph top speed reflecting that focus. |
| Rider Fit | The 855mm seat height combined with a 230kg dry weight means it feels substantial at a stop, but the low center of gravity from the underfloor battery keeps it manageable for most body sizes. |
| Character | A quiet, torquey, maxi-scooter-style ride that feels effortless in traffic with instant electric response and a single-speed twist-and-go simplicity. |
| Not Ideal For | Not for riders wanting highway touring range, off-road capability, or genuine high-speed thrills. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2021 BMW Definition CE 04 motorcycle is a game-changer in the world of electric motorcycles. With its futuristic design and innovative technology, the CE 04 offers a smooth and powerful ride. The electric drivetrain delivers instant torque, making acceleration a thrilling experience. The sleek and aerodynamic body not only looks stunning but also enhances performance and efficiency. The CE 04 is equipped with advanced connectivity features, including a digital display and smartphone integration, making it convenient and easy to stay connected on the go. Overall, the 2021 BMW Definition CE 04 motorcycle is a standout choice for riders looking for a cutting-edge electric motorcycle. With its impressive performance, striking design, and advanced technology, the CE 04 is pushing the boundaries of what an electric motorcycle can be. Whether you're a seasoned rider or new to the world of electric bikes, the CE 04 is a compelling option that will undoubtedly turn heads on the road.Add a Comment
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