If you run longer sessions or push the throttle hard, cooling becomes vital. The 3Racing Extended Motor Heat Sink with Fan is designed for 540 motors to increase airflow and reduce peak temperatures during sustained use.
The extended fin layout gives more area for heat transfer while the fan forces air through the channels, lowering motor case temperature and helping maintain steady output under load.
Whether you are testing setups or enjoying long runs, this accessory keeps thermal strain lower so motors are less likely to suffer power fade from heat build up.
Fit the heat sink so the fan intake is unobstructed and check that cabling is tidy. Regular inspection of the fan and fins will prevent blockages and maintain cooling efficiency for longer service life.
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