The Yeah Racing 1/8 Scale Motor Aluminum Fan Mount features a wire hiding clamp, where you can neatly tuck your fan wire underneath and can prevent it from catching onto moving parts! Fits both 30mm and 40mm fans, and a setscrew at the top allows you to tighten the clamp to prevent the mount from moving when you have set it to the desired angle. Specifications: For: 1/8 Motors Material: Aluminum Color: Black Motor Diameter: 41mm