The Wallke ebike will arrive at your doorstep 85% assembled. Unpacking and assembling will take about 10-20 minutes. All you have to do is mount the front wheel, handlebar, seat post, and pedals, and do a thorough check to ensure everything is tight.Fenders and rear rack will be preinstalled before packaging. You will find clear instructions and the necessary tools in the accessory box in your packaging. The process of assembled should not take longer than 25 minutes.