HIRO SEIKO doesn't just make lightweight screw kits for RC cars, we also produce lightweight screws for motors. You can decorate your motors by choosing 6 different colors of aluminum screws. Aluminum screws can not only just bring the lightweight effect on your motors but also it can decrease the impact of magnetism. Because of it, it raises more than 5% of RPM and so as K/V that will be increased by using our lightweight screws for motors.
Here are the lightweight screws for different brand of motors :
For Muchmore FLETA ZX V2 :
For ORCA BLITREME
For REEDY S+Plus / SONIC 540-M3