This Road bike has high quality ultralight 6061 Double Butted Aluminum frame.
The road bike brake system consists of double Caliper brakes. Shifters: A050 Handlebar Mounted And SHIMANO 3*7-speed Shifters ensures total control in every situation
30mm Deep V Double-Walled Alloy Wheels and 700*28C road bike tires can effectively reduce unnecessary bumps caused by uneven road surfaces during riding, greatly reduce fatigue caused by riding vibration, and improve riding comfort.
85% pre-assembled,easy to assemble,free installation tools and pedals included.Please don’t assemble the fork BACKWARDS
Size Small for people between 5'3" & 5'6"，Size Medium for people between 5'6" & 6', Size Large for people between 6 & 6'4" Please check your size before ordering.