Features & Benefits
- Gasoline-powered 49cc 2-stroke engine for faster bike modification
- Maximum power: 1.9kw, rotating speed: up to 7000rpm
- Equipped with all hardware for upgrading traditional bicycles to electric
- High-quality material with good hardness and wear resistance
- Powerful power with good heat dissipation and easy to assemble
- Efficient cold air cooling system for long-term stability