Frequently Asked Questions Products Controllers Do you sell contactors for the large BLDC motors and controllers? Article sections Do you sell contactors for the large BLDC motors and controllers? Yes, they are available in the same section as the controllers. https://goldenmotor.bike/category/controllers/ Last Updated: 2 years ago in Controllers, Products Related Articles THE TOP 12 QUESTIONS PEOPLE ASK IN EMAIL Where do I download the software? What Magic Pie or Smart Pie controller can use bluetooth? What is the difference between the internal controller and external controller? What does this even mean? I ordered a 48 volt kit but when I plugged in the USB cable I find the controller was set to 36 volts. Why is that? Does the USB cable come with the controller? How do I install the HPC software? What is the difference between the eBike conversion kits? Can I run a 902 motor at 48 volts? What is the difference between a Magic Pie 2 and a Magic Pie 3?