1/10 Optima Mid Vintage 4WD Racing Buggy Kit: Optima’s chassis layout with midship motor position and undercarriage grew in popularity and became the foundation for modern racing buggies. It is this Optima Mid that will be reproduced as the 10th model in the Kyosho vintage series. The main chassis is made from 6016T6 aluminum alloy that guarantees high rigidity. Each component of the car has been updated to match a modern power system, such as the 48-pitch gear for improved efficiency and precision gear ratio setting. The recreated Optima Mid also features adjustable belt tension using a tensioner not available at the time, ultimately achieving a smooth drive with minimal loss. Furthermore, equipment from the Turbo Optima Mid such as the FRP front and rear shock stays, and countersunk main chassis have also been incorporated into this model. The racy form of the original Optima Mid body design is faithfully reproduced in line with the popular vintage series. Experience the driving spirit of the Optima Mid incorporating the state-of-the-art mechanics from the past that cannot be matched by anything today. Features: The 10th model in the Kyosho vintage series. The popular 4WD buggy that made a brilliant world championship debut has been updated in modern style. Recreation of the model that dominated the electric racing buggy scene in the 1980’s. Updated to match modern R/C electronics and power systems. Belt-type 4WD system delivers excellent drive efficiency and stability, even on roads with low grip. Demonstrates superior driving performance on modern circuits. 48-pitch pinion and 82T spur gear, corresponds with the existing Ultima RB7. Optional settings for 78T / 80T spur gears can also be used. Equipped with reinforced slipper clutch to support powerful brushless motors. Settings can be adjusted by exchanging with the Ultima RB slipper pads