Unleash the power of efficient cooling with this Motor Cooling Fan, designed to keep your RC car's motor operating at optimal temperatures. Measuring 30mm (1.18 inches) in size, this compact fan packs a punch with a remarkable 28,000 RPM speed. Compatible with 1/8, 1/10, and 1/12 scale RC cars, it's the perfect solution for dissipating heat from your 540 or 550 brushless motor. Whether you're hitting the track or conquering off-road terrain, this fan ensures your motor stays cool and performs at its best. Engineered for motor cooling, it's a must-have accessory for any serious RC enthusiast. Crafted with durability in mind, this fan is built to withstand the rigors of high-speed racing and extreme conditions. Keep your motor running smoothly and extend its lifespan with this essential cooling fan.