brake handle voltage:1.2-4.3v
brake blackout:high/lowe level
3.the rear axke details.
the rear axle size is 33inch 35inch
the brake is 180mm or 200mm oil brake or drum brake
the gear is 1:12
our motor and controller and rear axle quality is very good,it can pass icat test.
if you want good quality ,please talk with me .
my whatsapp is 0086-18958512573