Mugen – MRX4 – Update

Low Center of Gravity

  • New designed fuel tank for more low center of gravity
  • Throttle servo mount which carries it low up till limit

    Front Suspension

  • New Front lower arm (1.5mm longer)
  • Adjustable (height) front upper arm mount
  • New designed front upright (King pin angle “0” degree)
  • Adjustable wheel base (3mm) in order to move front upper/lower arm forward and backward

    Rear Suspension

  • New Rear Lower Arm (7mm longer)
  • Adjustable height of rear lower arm (for the chassis side attachment) in three stage
  • New designed rear upright

    Drive system & brake

  • Front universal joint excellent in drive efficiency is equipped as standard
  • Light weight 2 speed gear box and spur gear will be attached with screw
  • Teflon brake pad, and Ventilated brake disk is as standard
  • Light-weight centrifugal shoe, Super hard clutch spring, and Clutch shoe (Gray) are as standard


  • Servo Saver which Ackerman can adjust by removing two screw
  • New designed damper case excellent in maintenance
  • New designed engine mount which consider the twist of chassis with equal right and left
  • New centering system of rear body mount which brings more stability
  • New designed pivot ball excellent in maintenance The car has more stability during the corner with new designed suspension compare with MRX-3.

    Also, some optional parts for MRX-3 are now as standard parts for MRX-4.

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