ecotric powerful electric bicycle 26" x 4" fat tire bike 500w 36v 12.5ah battery ebike moped beach mountain snow e-bike throttle & pedal assist for adults - 90% pre-assembled (blue) ecotric max speed: 32km/h (20 mph/h).<br> pure electric power mileage: over 19 miles. <br>bicycle weight: 58 lbs. <br>load capacity: 260lbs. <br>come with pedal assist and walk assist model. <br>outage braking system and mechanical braking system, work along both lines, provide security for your trip.<br> ergonomic design: 90% pre-assembled. <br>we pay great attention to every detail of each component, ergonomic handlebar, adjustable seat and anti-slip wear resistant tire.<br>26 "alloy frame. <br>head tube ø50*ø50*150l.<br>the pipe heterotypic ø27.4* 2.2t*490l.<br> important size: top tube length: 565mm; saddle to ground: 920-1070 mm. <br>please check the description page for more detailed information!!<br>