Electric Bike ECONO Mare EEC4 CITY
A premium city-trekking electric bike with a powerful mid-drive motor for an exceptionally natural riding feel and complete comfort.

Who is the ECONO Mare CITY electric bike best suited for?
The ECONO Mare CITY is designed for those who want to transform daily commutes and city errands into a relaxing experience, without sacrificing top-tier technology. Thanks to its open "Low-step" frame, getting on and off is completely unhindered, which is ideal for riding in city centers with frequent stops.
With an upright posture to prevent back pain and smooth-rolling 28-inch wheels, this bike is the ultimate choice for riders who prioritize comfort, reliability, and a natural pedaling feel, while also leaving the door open for occasional excursions on well-maintained gravel paths.

What are the differences between the Apes and Mare series, and the CITY and SUV versions?
Understanding the ECONO offering is simple when considering the motor architecture and equipment purpose:
Apes Series vs. Mare Series (Rear vs. Mid-drive motor): Apes models use a rear hub motor, which is excellent for flat terrain and undemanding rides. The Mare series, however, represents a technological leap – it uses a mid-drive motor, located in the crank axle. This provides an incomparably better center of gravity for the bike, an extremely natural power assist feel, and significantly higher torque (80 to 90 Nm compared to 45–50 Nm in the Apes series). Mare is therefore the superior choice for hill climbing.
Mare CITY vs. Mare SUV (Purpose):
• Mare CITY: Equipped with a Bafang M210 motor (80 Nm), 9-speed drivetrain, smooth tires (Schwalbe Energizer), and geometry that allows for a completely upright riding posture. It is primarily designed for paved surfaces.
• Mare SUV: This is a true off-roader. It is equipped with a more powerful Bafang M410 motor (90 Nm), an impressive 11-speed drivetrain with a huge gear range (11-50T), aggressive 29" mountain tires (Schwalbe Smart Sam), larger rear brake discs (180 mm), and a sportier riding posture.

Bafang M210 Mid-drive Motor – the heart of your bike
The Mare CITY model is powered by an exceptionally quiet and refined Bafang M210 mid-drive motor (36 V voltage, 250 W power). The bike provides assistance up to the legally permitted 25 km/h (limited).
The biggest advantage of this motor is its astonishing 80 Nm of torque and integrated sensor technology, which delivers power extremely precisely and smoothly. The system operates so seamlessly that you'll feel like you have bionic legs – no hill in the city or countryside will ever be an obstacle again.

Removable Comtron Battery for worry-free kilometers
Energy is supplied by high-quality Comtron ELK smart batteries, designed and assembled locally. The series offers complete flexibility, as the batteries are interchangeable.
You can choose from three impressive capacities: 520 Wh (15 Ah), 700 Wh (20 Ah), and 800 Wh (23 Ah). The battery is discreetly integrated into the frame, can be locked with a key, and quickly removed. A 2A standard charger is included, with the option to upgrade to a 4A fast charger.

Compact display and intelligent diagnostics
All travel data is monitored via the Bafang DP C080 color LCD display, conveniently located next to the left grip, so you don't have to release the handlebars when changing assistance levels. You can choose from as many as five assistance levels (ECO, TOUR, SPORT, SPORT+, BOOST), or switch the system to "0" – the motor then creates no resistance, and the bike behaves like a regular bicycle.
The system supports Bluetooth connectivity, meaning you can view technical details and customize certain riding profiles via the Bafang Go App on your phone.

Premium Comfort: Suspension and Schwalbe Tires
To prevent hand fatigue from contact with cobblestones and pavements, the front of the bike rests on SR Suntour NEX-E25 Coil 28'' suspension forks, which have proven excellent at dampening urban unevenness.
The bike is adorned with premium Schwalbe ENERGIZER ACTIVE PLUS (28x2.0 / 50-622) tires. This model offers extremely low rolling resistance (HS427 ENC profile) and is simultaneously "armored" with PunctureGuard (50 EPI) technology and TwinSkin protection against punctures. All this on durable REVO D braided rims with reinforced 14G spokes (32 holes).

Hydraulic Brakes and 9-speed Shimano Drivetrain
Safety must always be a priority, especially on heavier electric bikes. Tektro HD-M280 2-piston hydraulic disc brakes are responsible for safe stopping. A 180 mm brake rotor is located at the front for maximum power, and a 160 mm rotor at the rear.
Gears are provided by the proven Shimano system. The 9-speed Shimano Altus RD-M2000 SGS rear derailleur, combined with a Shimano Acera CS-HG201 (11-36T) cassette and a strong Shimano CN-HG53 e-bike chain, ensures fast and buttery-smooth gear changes.

Premium Urban Equipment and Ergonomics
The Mare CITY model is characterized by ergonomic perfection. The cockpit with an adjustable stem (ECONO SUV ST286-90B, R:35°, E:90), comfortable handlebars (Width: 680 mm, Bend: 37°), ergonomic Velo VLG-1505 grips, and a comfortable Velo VL-6574 saddle ensures pain-free cycling even after several hours in the saddle.
The bike is fully equipped for any weather condition. It features wide PVC fenders, a robust rear rack (ECONO 29’’ Boost with MIK "Click and go" system), a bell, a sturdy kickstand (40mm mount), and a high-luminosity front LED light Satelite C19 (DC 8V-58V) and a rear light ECONO WD216.
What do you receive upon purchase?
- Electric bike ECONO Mare CITY.
- Smart removable Comtron ELK smart battery (selected capacity 520 Wh, 700 Wh, or 800 Wh) and keys.
- Original wall charger Comtron 2A (for the 520 Wh version) or Comtron 4A fast charger (for the 700 Wh and 800 Wh versions).
- Full standard accessories: direct-mount kickstand, MIK rack, fenders, front/rear LED light, and bell.
- User manual for the bike and Bafang DP C080 display (in Slovenian and English).
- Warranty: Extended 36-month warranty on the frame, 24-month warranty on the motor, battery, and display, and 12-month warranty on other non-consumable components (brake pads and tires are consumable materials).
- Reliable service and support at Tržaška cesta 222, 1000 Ljubljana.
Technical Specifications
| Manufacturer | ECONO |
| Model | Mare CITY |
| Model Year | 2026 |
| Frame | ECOON Mare M410 28-6061-EE-GEN.1.3 (Low-step, S/M and L) |
| Motor | Bafang M210, Mid-drive motor (Central/Mid-drive) |
| Motor Power and Voltage | 250 W / 36 V |
| Maximum Torque | 80 Nm |
| Speed Limit | Up to 25 km/h (limited) |
| Battery | Comtron ELK smart (removable) |
| Battery Capacities (choice) | 520 Wh (15 Ah) / 700 Wh (20 Ah) / 800 Wh (23 Ah) |
| Charger | Comtron 2A (for 520 Wh version) or Comtron 4A fast charger (for 700 Wh and 800 Wh versions). |
| Display | Bafang DP C080 (Color LCD), Type-C input (5V, 500mA) |
| Connectivity | Bluetooth (Bafang Go App support) |
| Wheel Size | 28 inches (28" / 700c) |
| Front Suspension | SR Suntour NEX-E25 Coil 28'' |
| Brake System | Tektro HD-M280 (2-piston hydraulic disc brakes) |
| Brake Rotors | 180 mm (front) / 160 mm (rear) |
| Number of Gears | 1 x 9 gears |
| Rear Derailleur | Shimano Altus RD-M2000 SGS 9-speed |
| Shift Lever | Shimano Altus SL-M2010 9-speed |
| Cassette | Shimano Acera CS-HG201 9s (11-36T) |
| Chain | Shimano CN-HG53 9s (118 links) |
| Crankset | Bafang, length 165 mm (L+D) |
| Rims and Hub | REVO D 622x25C (W: 25 mm, H: 19 mm) / 14G / 32H / 6-bolt disc |
| Tires | Schwalbe ENERGIZER ACTIVE PLUS 28x2.0 (50-622) HS427 ENC, 50EPI PunctureGuard, TwinSkin |
| Headset | Neco H322MP-156SB with integrated cables, 130° rotation lock |
| Stem | ECONO SUV ST286-90B (Angle: 35°, Length: 90 mm) |
| Handlebar | ECONO CITY BB: 31.8 mm, Width: 680 mm, Bend: 37°, Rise: 35 mm |
| Grips | Velo VLG-1505 (Ergonomic) |
| Saddle | Velo VL-6574 |
| Seatpost | ZOOM SP-C208 30.9 mm (black), clamp 34.9 mm |
| Front Light | Satelite C19 DC 8V-58V (handlebar mount) |
| Rear Light | ECONO WD216 DC 6-48V |
| Rack and Fenders | ECONO 29’’ Boost MIK (matte black) / PVC fenders FDPVC29-70 |
| Load Capacity | 125 kg (rider + bike + equipment) |
| Bike Weight | 23.6 kg (without battery) |
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