Electric Bicycle Conversion Kit, 158Wh/220Wh Battery Power Assist System for Mountain and Road Bikes, 70-96km Range with 4 Riding Modes

Basic Parameters: Range: 70km (158Wh) / 96km (220Wh) Battery Capacity: 158Wh / 220Wh Charging Time: 3 hours (20V/3.25A 65W) Battery Life: 1000 charging cycles Battery Voltage: 21.9V Battery Weight: 1kg Machine Weight: 3kg Waterproof Rating: IP55 Maximum Speed: 25km/h Maximum Power: 500W Suitable for hardtail bikes (mountain bikes, road bikes, folding bikes) Seat Tube: Cylindrical, diameter approximately 25-35mm (carbon fiber seat tubes are not supported) Tire: Tire width approximately 25-65mm Package Contents 1 Booster 1 Battery (pre-installed)

• Wide Compatibility: Compatible with a wide range of road and mountain bike models. Compatible with road tires from 23 to 32mm and mountain tires from 45 to 65mm.
• Extremely Long Battery Life: Supports a comfortable ride. This bike booster is equipped with a high-capacity 158Wh lithium-ion battery, allowing for a 70km range on a single charge in electric assist mode. Upgrade to the optional 220Wh battery for a range of up to 96km.
• Four Riding Modes: Experience a variety of cycling experiences. Use the app to select the riding mode that best suits your riding needs: Assist Mode, Free Cruise Mode, Training Mode, or Standby Mode.
• Intelligent Power Assist: Automatically adjusts motor output according to pedaling force, saving both effort and power. Powerful Battery Life: The built-in battery provides long, reliable use on a single charge. Lightweight and Portable: The compact design is easy to assemble and disassemble, taking up minimal space. Safe and Stable Ride: Multiple protection mechanisms ensure a stable and safe ride.
• EASY INSTALLATION: Installing an electric power-assisted set is easier than assembling Lego blocks. Just follow the instructions in the manual and even if you're not good with hands, it's easy. Remember, patience and carefulness lead to great results.