Product size: inner diameter (28mm), flange diameter(139mm). All components of wheel hubs from PRORUN are made of top quality materials, and all produced by advanced producing and testing facilities, these are basic factor for keeping a longer life for be
● LCD touchable screen● Emergency stop function● Safe and reliable, with multiple fault protection● Charging module separated from control system, stable and safe performance● Constant power module and smart power allocation,high charging efficiency ● Cha