The Tamiya 54766 Aluminum Counter Shaft provides a lightweight alternative to the standard steel component on the M-07 Concept chassis. At 2.8 grams compared with the original 4.3 grams, the aluminium shaft trims rotating weight to help the car respond quicker to steering and throttle inputs.
This counter shaft is produced to match the M-07 Concept gearbox geometry, allowing a direct fit without extensive chassis modification. It is a quick, practical hop-up for racers looking to refine handling.
By lowering rotating inertia, an aluminium shaft can enhance acceleration feel and improve turn-in precision. It is a modest upgrade that can contribute to a more balanced on-track behaviour when combined with appropriate setup changes.
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