How To Get Cheap Scooter Wheels I Have A 150cc Jonway Scooter. It Is Only 5 Months Old And Has Always Been Able To Go 63 Mph No Problem.?

I have a 150cc jonway scooter. It is only 5 months old and has always been able to go 63 mph no problem.? - how to get cheap scooter wheels

but recently has begun to act, weird, he will not go over 50 MPH Add to but 45 to 50 starts to tremble. I drive every few seconds, like shaking of the rear wheel and brakes, and I made a little grunting noise vrrrrrr but real strong. Please can someone help?
Also, if anyone has any suggestions for parts that need to change for Chinese scooters are cheap parts