Upgrade wheel security with 3Racing 3RAC-NS40/GO 4mm aluminum serrated locknuts in a durable gold finish. The serrated face bites the wheel surface for a reliable hold, helping wheels stay fastened during spirited track sessions. Aluminum construction reduces unsprung mass while keeping a strong connection between hub and wheel.
The serrations increase surface friction to reduce loosening from vibration and impacts. That makes these locknuts a solid choice for racers and club drivers who need consistent wheel retention through multiple runs.
These 4mm locknuts suit most 1/10 scale RC cars and are ideal when you need a compact, dependable fastening solution. They work well with common wheel hub designs and offer a straightforward upgrade for maintenance or performance tuning.
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