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