The GPM HS2022 rear knuckle arm is an aftermarket RC-scale replacement part designed for the TAMIYA 1/10 HOTSHOT II platform. Machined from 7075 alloy, the arm provides a balance of reduced weight and high tensile strength appropriate for demanding model use. The design relocates and enlarges the inner bearing seats, which improves the alignment and rotational smoothness of the CVD, helping to stabilise rear drive inputs and assist steering response without altering chassis geometry.
Fitment and tuning role are straightforward: this component replaces the stock rear knuckle arms to give more accurate bearing positioning and a firmer bearing fit. That steadier CVD rotation reduces play under load and can make rear-end behaviour more predictable during changes of direction or throttle. The part is intended for hobby RC application only and is specified for the listed HOTSHOT II chassis.
Use this GPM HS2022 rear knuckle arm when you want strengthened bearing support and smoother CVD rotation on a TAMIYA HOTSHOT II chassis; it serves as a direct aftermarket hop-up to refine rear stability and steering feedback.
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