Upgrade your Losi Lasernut Tenacity U4 with the GPM LU4022 aluminum rear knuckle arm. Machined from 6061 T6 material, this upgrade adds rear hub rigidity and helps keep drive forces more consistent during use.
Manufactured from high tensile 6061 T6 aluminum, this knuckle arm improves long term durability and offers solid support under load. The supplied Delrin collars reduce play and help maintain precise alignment for a smoother, more reliable drivetrain.
The knuckle arm is produced with CNC precision and a 3D streamline profile to give a neat metallic finish while keeping proper clearance with adjacent parts.
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