This GPM aftermarket rear knuckle arm set is manufactured for the Tamiya TL-01 platform and distributed under part number TL1022. The kit replaces original plastic rear knuckles with machined aluminium arms and includes collars plus mounting screws to restore linkage geometry and axle positioning for the rear suspension.
The product is offered as a direct-fit upgrade for TL-01 chassis variants using the common rear hub geometry. During installation the stock rear knuckle arm assemblies are removed while wheel hubs and drive parts can be retained where compatible, and the supplied collars help maintain correct axle spacing and camber alignment.
In tuning terms the alloy knuckle arm increases stiffness at the rear hub pivot, helping to cut flex under load and delivering a firmer rear characteristic when used with standard TL-01 suspension settings. Installers should check alignment, bearing seating and ensure full free rotation of the axle after fitting and before operation.
The TL1022 kit provides a straightforward aluminium rear knuckle arm replacement for TL-01 drivers seeking a stiffer rear hub assembly and simple installation steps.
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