【YouTube Videos】 To see how this bike is assembled, click here! 【High tech Frame】 The high quality of the Aluminum alloy frame and the excellent paint make this bike very attractive. 【Professional Drivetrain】 The brake system consists of double Caliper brakes. And SHIMANO 7-speed Shifters ensures total control in every situation. 【Tires】 The bike can be used to ride comfortably in the city.The 700C wheels offer the high-speed experience of a road bike. 【Assembly Guide】 85% pre-assembled, easy to assemble, free pedals, required assembly tools included.  If you have any questions about bicycle, please do not hesitate to contact us, We will solve the problem within 24 hours. Please don’t assemble the fork BACKWARDS. 【Size Guide】 The 18-inch frame is suitable for a person 5″6- 6″ tall. CHECK THE SIZE BEFORE YOU ORDER.