This GPM aftermarket set is designed for the Tamiya TL-01 platform and identified by part TL1022. It swaps out the stock plastic rear knuckle arms for machined aluminum replacements and includes collars plus the screws needed to restore linkage and axle location on the rear suspension.
Intended as a direct-fit upgrade for TL-01 chassis types that share the standard rear hub layout, the installation replaces the original rear knuckle assemblies while retaining wheel hubs and drive elements where applicable. The included collars assist in keeping correct axle spacing and camber settings.
From a tuning perspective the alloy knuckle arm raises pivot stiffness at the rear hub, which can reduce flex during load and yield a firmer rear feel when paired with standard TL-01 suspension geometry. Confirm alignment, bearing fitment and free axle rotation after fitting before operating the vehicle.
TL1022 supplies a direct-replacement aluminium rear knuckle arm for TL-01 users looking to stiffen the rear hub assembly with a simple hardware swap.
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