The NEW Hot Racing S2 Spring Steel Speed Run Spool Shaft is a high-quality aftermarket part designed specifically for 1/7 scale vehicles such as the Limitless. Manufactured by Hot Racing, a reputable brand known for producing durable and reliable RC parts, this spool shaft is sure to enhance the performance and efficiency of your RC vehicle. With free shipping in the US, this product offers convenience and peace of mind for hobbyists looking to upgrade their vehicles for improved speed and agility.