Global Hub Motors Market Assessment, By Installation [Front, Rear], By Vehicles [E-Bikes, E-Scooters/Mopeds, E-Motorcycles], By Motor [Geared, Gearless], By Sales Channel [OEM, Aftermarket], By Power Cut [Below 1000 W, 1000-3000 W, Above 3000 W], Opportunities and Forecast, 2018-2032F