... EN15194 certification. 24v,8/10ah, or 36v,8/10ah Lithium battery 250w motor electric bicycleMotor:180-250W High Speed Brushless Gear ... (ZOOM)Max Speed :≤25Km/hHandle bars:Al Alloy (ZOOM) Range:e-bike mode 25-35km,Chainguard:_Pedaling-Electric mode 45-55kmMudguard:ABSLoad ... :100kgChainwheel :Steel 44 T,Al alloy crank Weight::Li-ion battery 3.3 kgsChain:Rust resistant chainN.W./G.W. :22kgs ...