CHILDHOOD Bicycle Training Wheels Fits 18 to 22 inch Kids Variable Bike

1.Package: 2 training wheels, 2 wheel bolts, 2 screws, 2 sleeves, 2 extend bolts. 2.Applicable for: Variable Speed Bicycles, not the ordinary style. 3.Weight capacity: 100 lbs, but the load of 70 lbs or less may be more suitable for the wheels. 4.Material: High quality steel and durable, anti-slip, anti-shedding rubber tire. 5.Sizes: Suggested bicycle sizes: 16"-20" 6.Please look carefully to the pictures and make sure if these training wheels can be installed to your bikes. 7.Please note that some bikes like those one-armed-frame bikes and bikes that rear frame tail hook angle are much larger than others are not suitable for this training wheels. 8.Features: Easy to install. The installation process please refer to the installation instructions.