4 PC 3.7V 45000RPM High Speed Mini Coreless DC Hollow Motor DIY Helicopter
7,62 €
No-load speed: about 45000RPM (the actual speed may be high or low). 7 16MM hollow cup super high speed motor set, 4pcs motor + 4pcs long 46MM propeller (2 forward and 2 reverse propeller). Hollow cup specifications: 7 16.5MM.
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