Re: Other options for rear sprocket?
My belief as always been that the sprocket setup (especially the stock one) has always been the weakest link in bike engine kits (except for those defective gear boxes on the 4 strokes). I wish someone would come up with an affordable mag type alloy rear wheel that doesn't use regular spokes and has a sprocket that can be unbolted and has different tooth options and bolts on with just 4 bolts and accepts a fat tire. It looks like the Chinese could whip these out at a small price. Even a cheapo metal would probably be superior in strength to spokes.