DUOTTS C29-K Long Range Double Charging Electric Bicycle 150KG Load 750W Motor 48V15 Ah Battery 29 Inch Mountain Tires All Terrain E-Bike

Ayzeze: Please note that in most European countries the speed limit for electric scooters is 20 km/h.

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Frame material: high-strength aluminum alloy Net weight/gross weight: ≈ 32.5 kg/≈ 40 kg Product size: 1860 × 1080 × 680 mm (handlebar length 68 cm) Packaging size: 1480 × 240 × 790 mm Maximum load capacity: 150 kg Suitable height: 170-200 cm power system Motor: 48V 750W brushless motor, torque 65 Nm Sensor: speed sensor Factory top speed: 25 km/h (compliant with EU electric assisted bicycle standards) Top speed after deceleration: 45-50 km/h (adjustable) Release speed limit method: Adjust the P08 parameter on the instrument to 67 to release the speed limit Battery system (dual battery solution) Battery type, capacity, battery cell specifications, dimensions (approximately), weight (approximately) Built in battery 48V 15 Ah Dongci 21700 365 × 90 × 110 mm 3.95 kg Rear shelf battery (optional/expandable) 48V 22.5 Ah Dongci 21700 456.5 × 155 × 78.5 mm 6.05 kg Comprehensive range: approximately 150-170 km in auxiliary mode Charging time: 54.6V 2A charger: 7-8 hours 54.6V 3A charger: 6-7 hours Transmission and braking Transmission system: SHIMANO TOURNEY 3 × 7 speed (21 speed) Braking system: Front and rear hydraulic disc brakes (oil brakes) Tire: 29 x 2.125 inch mountain tire Configuration and Functionality Handlebars: aluminum alloy, length 68 cm Seat cushion: height adjustable (85-103 cm) Instrument: 2.4-inch LCD screen (European standard), three key control, supports Bluetooth connection Taillights: High brightness taillights (without brake sensing) Waterproof rating: IPX4 (prevents light rain, rainwater splashing, cannot be directly flushed) Climbing angle: maximum 30 ° (suitable for slopes in medium-sized cities) package contents Charger, instruction manual, sixteen in one tool kit, handle, foot pedal, quick release shaft, motor shaft protective cover, air pump, mobile phone case.

1. Dual battery ultra long endurance, bidding farewell to range anxiety Standard 48V 15Ah built-in battery+optional 48V 22.5Ah rear shelf extension battery In auxiliary mode, the range can reach up to 150-170 km, meeting the needs of cross city commuting and long-distance outings Using high-performance Dongci 21700 battery cells, with high energy density and long cycle life

2. Strong power and flexible speed mode 750W motor paired with 65 Nm high torque, effortlessly conquering 30 ° steep slopes Support compliance/performance dual-mode: Factory speed limit of 25 km/h (compliant with EU electric assisted bicycle standards, does not require a driver's license, can be registered) After one click speed control, it can reach 45-50 km/h, meeting the needs of users with higher speed requirements

3. Professional mountain bike configuration 29 inch large wheel diameter+2.125 inch wide tires provide excellent passability, stability, and cushioning SHIMANO TOURNEY 3 × 7-speed transmission system, suitable for complex terrain and climbing needs Front and rear hydraulic disc brakes have strong braking force and fast response, ensuring safety during downhill and emergency braking

4. Intelligent interconnection and humanized design The 2.4-inch LCD instrument panel supports Bluetooth connection to the DUOTTS APP, enabling functions such as cycling data recording, vehicle status monitoring, firmware upgrades, etc Adjustable handlebars and seat cushions for a height range of 170-200 cm, enhancing riding comfort Equipped with practical accessories such as high brightness taillights, phone bags, and air pumps, making travel more convenient

5. High cost-effectiveness and reliable quality Aluminum alloy frame balances lightweight (32.5 kg) and high strength, with a load capacity of 150 kg IPX4 waterproof rating, not afraid of light rain weather The packaging contains a complete set of tools and accessories, making installation and maintenance easy Target users and usage scenarios Long distance commuters: Ultra long battery life suitable for cross regional commuting

Mountain cycling enthusiasts: large wheel diameter, high torque, professional variable speed suitable for off-road and climbing Tall users: Suitable for heights up to 200 cm Riders pursuing intelligent experience: Bluetooth connected APP for data-driven management of cycling

one-sentence summary A versatile electric mountain bike with a dual battery 170km long range, 750W high torque to conquer 30 ° steep slopes, SHIMANO 21 speed professional transmission, and intelligent APP connectivity. ”