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The TB-04 is an efficient shaft-driven 4WD touring car chassis which also offers its drivers crisp handling, as its main frame has a low center of gravity while reducing contact with the track surface to a minimum. The layout places the battery pack longitudinally on the right with the motor horizontally in the left-rear for superior stability during acceleration. 4-wheel double wishbone suspension employs CVA oil dampers, with an inboard front suspension (IFS) setup. The long steering tie-rod system refined on the TRF417 chassis provides optimized Ackerman steering for on-road racing, while an aluminum propeller shaft and full ball bearings ensure smooth transmission of power, along with front and rear gear differential units.
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