The GPM Aluminum Rear Knuckle Arm is intended to sharpen the rear response of the HSP 1/10 Crusher BL 2WD by offering firm, lightweight support for the rear axle and upper tie rods. Fabricated from Aluminum 6061 T6, it maintains toughness without excessive mass. Tight bearing locations reduce play for consistent wheel rotation, and the selectable tie rod holes let you adjust handling balance for different driving conditions.
A straightforward upgrade for anyone wanting steadier rear behaviour and more tuning options without compromising durability.
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