Mini Dirt Bike Full Circle Crank 47ccClick to enlarge Mini Moto Full Circle Crank 47cc. The advantages of fitting a full circle crank are increased torque throughout the rev range and the engines will vibrate a lot less, which makes the engine smoother. Definitely a mod worth doing. £21.15 SpecificationsProduct Code: Mini Dirt Bike Full Circle Crank 47ccManufacturer: FunBikesProduct Weight: 0Stock Quantity - 3