Hi ; Im new at this and starting my first build with a Grubee skyhawk66/8 kit on a Trax mtn bike frame, Im told i need to replace the wheels and spokes because they arnt heavy enough also a hd axle--Id like to use a 3 speed rear wheel is this possible? Can i get a wheel thats made for these motorswith the sprockets on them --Gee i have so many questions sorry guess i should have done this before i turned 72 years old but id sure thank y'all for any help you can give