... ,or 135mm rear fork spacing· Double wall rim special for e-bike· Motor Specifications: 36Vdc/500W/320rpm or 48V/1000W/430rpm· Quiet ... .(200w,250w,350w,500w,750,1000w)PAS1:1 intelligent pedal assistant systemThrottle Twist intelligent speed throttle Maximum speed 25km/h(EU),32km ... /h(USA&Canada)45km/h with 36v/10Ahli-ion battery(PAS)Gross ...