This assembly kit enhances the performance potential of the VS chassis with clear smoke body Avante Jr, intending for expert drivers. Set includes a 2-piece FRP under guards to enhance chassis strength, 19mm aluminum bearing rollers with plastic rings, aluminum collars, stainless steel countersunk screws, FRP multi roller setting stay, and FRP rear roller stay. Carbon reinforced large dia. narrow wheels are equipped with hard arched tires. Chassis including the A Parts have stylish silver color. Gear ratio=4:1.