The GPM Aluminum Rear Knuckle Arm improves the handling of the HSP 1/10 Crusher BL 2WD by combining a light feel with solid support for the rear axle and upper tie rods. Made from Aluminum 6061 T6, the part balances strength and weight while precise bearing seats reduce unwanted slop for smoother wheel rotation. Multiple tie rod mounting holes let you tune roll center and steering response to match your driving style.
A practical upgrade for hobbyists who want improved rear stability and more predictable handling without adding excessive weight.
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