Unique Design: Steel frame . safe and stable training wheel. Front caliper brake and rear coaster brake. Adjustable bicycle handlebar and seat are suitable for children of different heights. Safety grips . soft seat . sturdy frame . enclosed chainguard . crank . brakes . nonslip resin pedal. 1.2 mm bike steel tubes thickness and 2.4” wide tires. Accessories: This kid’s bike comes with a bell . a DIY decal . training wheels for 12/14/16/18 inches . kickstand for 16/18 inches . and bike front white reflector/rear red reflector. The handlebars and seat height are all adjustable. Use our easy-to-follow size chart . you’ll find a perfect size. Note: Please take the kid’s height into consideration.