THE NEW BIKES ALSO HAVE 3 SPEED SETTINGS, IF YOU HAVE A 16" PLUS BIKE WITH TWO SPEED SETTINGS AND YOU WISH TO UPGRADE TO 3 SPEED SETTINGS, YOU WILL NEED.
Revvi Fast Start Control Unit 15A - To fit Revvi 16" and 16" Plus brushless 250w
Slow Start Control Unit 15A - To fit Revvi 16" and 16" Plus brushless 250w motor
350W Brushless Control Unit - For use only with 16" 350w brushless upgrade kit
Control Unit 15A - To fit Revvi 12" / 16" brushed 170w motor electric bikes
30A / 800W Control Unit - To fit Revvi 18" and 20" Bikes with a 800w Motor
