Nosram Hardcore motor cooler
Nosram have released this new hardcore motor cooler, an extremely strong and adjustable cooling set including 40mm fan and easy mountable heatsink. Fits all 540 size brushless and brushed motors, it can be used in 3 different layouts for you preferred amount of cooling, with or without fan, to help lower the running temperature of your power unit.
Source: Nosram [nosram.com]