The GPM rear gear cover for Traxxas XRT 8S is produced from 7075 aluminium alloy to increase structural rigidity and present a neat anodised finish. The part preserves the original mounting layout but introduces an extension groove to take larger or additional bearings, which improves shaft alignment and helps prevent bending or cracking seen in the factory setup.
It supports larger 8x19x6mm bearings on an 8mm shaft to raise robustness and longevity. To maximise the upgrade, fit the XRT033TS and XRT035TS large gear sets and enable a four-bearing fixation for stronger drivetrain support.
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