MST FRX RS - first problem , how can i fix this?

MST FRX RS - first problem , how can i fix this? Chassi: MST FRX RS Body: MST BMW E30RB ( Rocket Bunny ) Shocks: Stock ( Aluminium ) Front upper Arm: Stock ( Plastic ) Front Tower Bridge: Stock ( Plastic ) Front Lower Arm: Stock ( Plastic ) Rear Lower Arm: Stock ( Plastic ) Steering: Stock ( Aluminium - Carbon ) Front Knuckle: Stock ( Plastic ) Motor: Yokomo DX1 ( 10.5T ) ESC: Sanwa Wheels: R31 House ( Rays Volk TE37 ) Tires: DS Racing Drift Element ( LF2 ) Gyro: Onisiki Servo: Onisiki Kable: Sanwa 12AWG In this video , i found the first weird problem on the new FRX RS Chassis. The weird problem is , the Wheels and Tires on the outside from the Chassis starting to hopping and shaking. I tested so far ( bearings , axles , knuckles , Diff and drive shaft ) nothing has change this problem. Regards DRFT RC #rccar #rccars #yokomo #rcdrift #drift #rc #scaledrift #drft8322