Slow Start Control Unit 15A - To fit Revvi 16" and 16" Plus brushless motor bikes Available to with 2 or 3 speed settings! Please note this will only fit 16" bikes that already have the 250w brushless motor! Slow Start Control Unit 15A - To fit Revvi 16" and 16" Plus brushless 250w motor£28.99PriceSpeed settingsSelectQuantity*Add to Cart