These are aftermarket Racing arms for the Blackout Mini H frames. we have added cooling holes so that the motors can get additional ventilation. Uni-Arm construction provides stiffer torsional support for aggressive flight by distributing stress and impact loads across the beam of the entire craft. The can also be mounted with just 4 screws saving some weight. These 3mm arms are stronger than original arms and reduce the chance of breaking your frame / pdb in a crash. In the event you have a massive crash, these arms can be cut in the middle and still used as a single arm. These are manufactured with the highest quality carbon !
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