Hobbywing Fan Combo C1 (Heat Sink + 5v Fan) For 36mm Motor \n\nThe Hobbywing Fan Combo C1 (Part No: HW86080120) is a high-efficiency cooling solution designed for 36mm diameter brushless motors, such as the 3650, 3660, and 3674 series. It features a lightweight, wrap-around aluminum heatsink paired with a high-RPM 5V cooling fan. This combo is an essential upgrade for 1/10 scale off-road bashers and high-speed touring cars, as it significantly reduces motor temperatures to prevent thermal fade and extend the lifespan of the magnets and internal bearings.\n\nKey Features:\n\n--Precision Clamp-On Design: The 36mm aluminum heatsink provides a snug, high-contact fit against the motor can, ensuring maximum heat transfer away from the internal coils.\n--High-Flow 5V Fan: The included 5010HB cooling fan is optimized for 5V operation, making it easy to power directly from an open receiver port or a dedicated BEC.\n--Durable Aluminum Housing: The heatsink is CNC-machined to be both rigid and ;