0612 6mm*12mm DC 6V-12V High Speed Micro Mini Coreless Motor Toy Train Car Model
No Load Speed : 20000 RPM. No Load Speed : 40000 RPM. No Load Speed : 41000 RPM. Black motor specification: 612 hollow cup motor Silver motor specification: 612 hollow cup motor Motor x 1pcs. Weight: about 1.4 grams.