Frame: Made of premium magnesium alloy, molded in one body.
Wheels: Upten special design magnesium alloy wheels, molded in one body wheelset.
Full chain guard – Prevent your boy from touching the chain and getting hurt or soiled.
Handlebar: magnesium alloy handlebar.
Training wheels and a quick-release seatpost make it easy to adjust the seat height.
How to choose the size：
12inch 2.5-4years,90-105cm,
14 inch 3.5-5 years,95-115cm,
16inch 4-6years,105-130cm,
18 inch 5-8 years,120-140cm.
