- All the gear wheel are use by exactitude process milling machine high quality steel gear - All car be ball bearing design - Configure 21CXP hand draw engine, can upgrade to 28CXP engine - High class metal polishing vent-pipe - Front and back aluminum alloy shock Absorber, Se.oil shock Absorb - adopt fibre material and make the braking system more steady, more steady for driving control - The front and back wheel adopt cardan steering transmission, super performance for cross-country - The front and back swing arm Anti-Roll Bar insure the car will be steady when it in high speed - Driving configuration adopt 3 kinds of differential speed equipment, insure the car will be more steady when it drive in bumpiness - This car be fit for drive in the same with grass, sandlot, stone place and bumpiness