New Bruce Motor Heat Sink now available. Will not fall off or interfere with the body like the snap on ones. Same weight but the weight it not on top of the motor, helping to keep lower COG. Fits between the motor and bracket and gets ssndwiched in when you screw the motor in. Made from .025 thick aluminum and can be easily tweaked or trimmed by the racer. Vented for better heat dissipation. Reports saying drops motor temp by 10 or more degrees. This could make the difference for keeping or losing the brakes? Available direct or via ERI Distributing now. 5 color anodizing, green, red, black, gold and blue.