30A /500W Control Unit - To fit Revvi 18" Bikes with a 500w MotorPlease note: Choose the control unit type that your bikes currently has. The control unit type is specific to your bike. 30A / 500W Control Unit - To fit Revvi 18" Bikes with a 500w MotorSKU: 315021009004£58.99PriceIs your speed switch built into the throttle?SelectQuantity*Add to Cart