The assembly video and the included instruction manual will make the assembly easier for you. 𝟎 𝐅𝐚𝐭 𝐎𝐟𝐟-𝐑𝐨𝐚𝐝 𝐓𝐲𝐫𝐞𝐬】Electric Bike for adults is equipped with 4.0 fat tyres for better grip, traction and anti-skid, so the e-bike won't tip over, even in cold weather, and is suitable for all kinds of terrains.