How to adjust KUKIRIN G4 steering shake problem?

Kukirin G4 electric scooter with a high-speed escooter, max speed reach to 70-80kmh. Touch the smart digital display, which can be switched at any time by touching the buttons on the screen. Driving mode, headlight switch, and all driving data can be easily controlled. Kukirin G4 after-sales related repair videos : Adjust KUKIRIN G4 steering shake tutorial. Hope it can help our customers, thank for all supporting. #escooter #kukirin #electricscooter #kukiring4 #enjoylife #foryou #foryourpage #offroad #riding #outdoors #fastscooters #scooter #repair #aftersales #shaking

[@stefanobaccaglini]

done,thank you

[@user-dy4dl9tn9y]

I don’t have locking screw, and if I twist left the screw get off

[@user-dy4dl9tn9y]

I do not have the safety screw

[@user-td7tm2yr9b]

and I drove 700 kilometers on it, that's very little. How come there are two different tires on Kukirin g4? Please tell me the brand name of Kukirin g4's rear tire.

[@user-dy4dl9tn9y]

Hello you can purchase it bro in website