Gdrasuya 49cc 4-Stroke Bike Engine Bicycle Motor Set 142F Gas Motorized Chain Drive Bicycle Scooter Conversion kit 2.5HP DIY Kit 2.5L Tank US (B)
- ▶4 stroke engines are more stable, more reliable and Quieter than the 2 stroke rivals.
- ▶Long term spares available as required.
- ▶The top speed of between 27 - 32 MPH / or 43 - 51 KPH.
- ▶49cc 4 stroke pull start petrol conversion kit for adult bicycles, ideal for bikes with 26 inch frames and similar.