Question: Saffire was a high end gear-less motor scooter produced in India by Bajaj Auto, which type of motor vehicle transmission that can automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually, is called?
Sentence (from "Automatic transmission"): Like other transmission systems on vehicles, it allows an internal combustion engine, best suited to run at a relatively high rotational speed, to provide a range of speed and torque outputs necessary for vehicular travel.
Relevant evidence: No