R9 e-bike electric bicycle china supplier oem
Motor: 500W
Battery: 48/60V20AH (general purpose)
Headlights: LED high light lens headlights
Meter: 7.9 "floating meter
Braking: Front and rear 110 big hub brake
Shock absorption: hydraulic shock absorption
Function: three speed shift, P stop
Service hotline：
+8618702239616
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+8618702239616
