Description:  2pcs Universal Kids Bikes Cycle Riding Training Wheels Bike Stabilisers Wheels.     Features:  - Made of high-quality plastic and steel, heavy duty and wear-resistant, can be used for a long time, very perfect for bicycle kids.  - The training wheels for kids bike have the function of anti-slip, wear resistant, for a safer, easier ride.  - Assist young learners until they have developed a usable sense of balance on the bicycle. Improve your child's safety and confidence without holding the back of the saddle.  - Can be adjusted according to your child's bike riding skills and level, fit for 12- 20 inch bicycles. The wheel will flashing when riding, bring more fun to your kid.  - Easy to install, all mounting hardware and installation instructions is included, you will have more choices to adjust the height.     Specifications:  Product Name: Kids Bike Training Wheels;  Color: Black/ Pink/ Blue;  Type: Bicycle Training Wheels;  Material: PVC+Metal;  Wheel Outer Diameter: 11.5cm/4.5inch;  Wheel Inner Diameter: 9mm/0.35inch;  Quantity: 2 Pcs;     Package Included:  2x Bike Training Wheels (including components)