The original mileage machine Hero Splendor, Which is for the people who are looking for the best fuel efficiency figures and a reliable machine, comes with the assurance of Hero Moto Corp to assure a great experience post buying. This one comes in grey-black color combination. The i3s stands here for ‘Idle Start-Stop System. ‘ This technology functions by turning off the engine when the bike is idle, and the gear is in neutral. It turns the engine back on automatically when the clutch is pressed, and it is ready to go!