1. Description: - [Note] Suitable for 20 - inch children's bicycles. Select according to the wheel size. 2. [Built - in spring for more safety] - The built - in spring is safer for your child. It is made of high - quality carbon steel, which is strong, durable, waterproof and wear - resistant. It is a sturdy single - sided bicycle stand. 3. [Excellent training wheel replacement] - Suitable for children's bicycles/balance bikes/small bicycles/children's bikes. It is convenient to place children's bicycles. 4. [Anti - slip function] - The legs of the bicycle stand are equipped with anti - slip rubber pads, which can prevent slipping on wet surfaces and make the bicycle stand easily. 5. [Easy to install] - Before installing the stand, please make sure to remove all nuts. It must be directly tightened to the bicycle frame without any nuts between them. You can easily install it with a multi - function wrench. 6. Dimensions: - Approximately 28 cm in length. 7. Material: - Iron. 8. Color: - Black. 9. Package contents: - 1 children's bicycle stand. Only the above package contents are included, and other products are not included. 10. Note: - Due to lighting and different monitors, the color of the item may vary slightly from the actual color. The measurement error is +/- 1 - 3 cm.