Motorize your bicycle with a StarFire Bike Engine kit.The fun Engine kits are available to buy from our secure online site at wholesale prices here in Australia, all major credit card accepted and delivered to your door via Australia Post. The StarFire brand of bike engine kit is sold to a global market, with a large volume of sales to North American, therefore, US compliance requires StarFire engine and kit components to be produced to a high standard of engineering quality.Using only Top Quality components in the StarFire bicycle engine kits, such as Japanese Needle Roller Bearings - Larger 203 Big End Bearings - GT 50 Engine Cylinder, has the Steel Sleeve Liner for better Engine Performance and Endurance - Ball Bearing Chain Idler - Heavy Duty 415 Drive Chain - New Push Button Clutch Lever - Accelerator Kill Switch for safety - New Free breathing Cylinder with big ports.StarFire engines are economical to use and will travel approximately 100 K&＃39;s on one dollar of two stroke petrol mix. Visit our site for full details >> www.StarFireBikeEngines.com.au