The Tamiya 51141 Dual-Speed Transmission Spring Kit is built to refine shift feel on TG10-Mk.2 chassis. These springs give crisper gear engagement and greater reliability under sustained high-speed use, making them a practical upgrade for competitive RC drivers who want consistent performance lap after lap.
This kit uses resilient spring wire and accurate tolerances to stabilise the dual-speed transmission. Expect steadier shift points and less slippage during aggressive acceleration. The springs are suited to track setups and tuning sessions where repeatable shift behaviour matters.
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