Update 450W lightweight Electric Bike with max speed 18.6mph, up to 28 mileage long range, assisted range 45 miles, 14" air-filled tires, dual disc braking, 36V/10A battery, 3 riding modes, max load 265 lbs for commuters！Kistp 14'' Electric bikes can be smooth and cost-effective to get around and help you take the weight off tired legs or tackle tricky uphill stretches with ease!【PARAMETERS】450W Powerful electric bikes with a 36V built-in rechargeable Lithium-Ion 10Ah battery(5-6h charging time) and up to 18.6mph speed.【INDIVIDUALIZED DESIGN】With color block looking, sports style, streamlined matte surface, this portable mini city bike is equipped with dual disc brakes, non-slip bump handlebars, LCD battery/speed Indicator, foldable handle head, adjustable saddle(30.7"-34"), 14" anti-shock tires, front lamp and tail lights.【AMAZING COMMUTING ADULT BIKES】This electric bike is great for commuting on flat city roads（max slope 15°). You can also add a basket to the front or install a kettle holder to carry light things when you are hanging out.【PRE-ASSEMBLED & 3 WORKING MODES】Pre-assembled bike, no complicated assembly, quicker to enjoy the new ride. Foldable design will make it easier to carry or storing. Three riding modes supported: pure electric mode, electric assist mode, normal bike mode.【EASY TO ASSEMBLE & WORRY-FREE AFTER SALE】We offer detailed illustrated assembly instructions and all necessary tools so that the installation can be completed in 30 minutes. Besides, we also provide 1 year Warranty for Bike and 6 month Warranty for battery if you need, please feel free to contact us!The electric bicycles are certified with UL2849 for safety and UL2271 for battery reliability！