WLTOYS K989 BUDGET 1/28 RC CAR - GEAR DIFF MOD

ZERO cost mod to improve the drive. But a better diff will greatly help the performance. Better grip tyres will help with outdoor runs. If you want to buy one, appreciate if you can buy thru this link below: https://sea.banggood.com/custlink/mmG... Deals for random stuffs if you are interested. https://www.banggood.com/marketing-mo... https://www.banggood.com/marketing-co...