1. Fuel tank with vast capacity, easily to refuel with supercalibre, prevent overflowing and leaking.
2. Front/ rear umbrella gear differential and differential box with leak protection.
3. With 13.8g super-light-weight flywheel, make the engine smaller in load.
4. Adrustable-bounce, make spring buffered.
5. Differential with 5pcs of screw only, fixing/ disasembling is easy.
6. The all-metal disc type brakes and super thick asbestos brake block.
7. Flexuose 6061 aluminum chassis, thickness: 2.5mm.
8. Aluminum alloy in 6061, anodicheavy-duty adrustor.
9. Variable shockproof spring.
10. Double sponge filter, dustproof result is better. 7.5mm oversize gas vent, 56mm resonance.