Description
Product Overview
The DDJKCZ Training Wheels are designed for children’s bicycles ranging from 12 to 20 inches. Measuring 7.87 inches (20 cm) in wheel size, they feature a brilliant black finish and a robust 1‑inch rim width. Constructed from high‑quality alloy, each wheel includes an upgraded circular fixing plate that prevents detachment and enhances durability. The package contains two wheels, universal legs, screw and nut accessories, decorative stars, a car bell, and installation tools, ensuring a complete setup out of the box.
Usage
These training wheels are ideal for beginners learning to balance on a bike during spring, summer, and autumn. Suitable for both boys and girls, they support riders up to 90 pounds. Install the wheels so the bike sits about 0.5 inch above the ground for optimal stability. Always supervise children during use and ensure the wheels are securely fastened.

Why Choose Us
DDJKCZ combines thoughtful engineering with user‑friendly design. The large fixing plate addresses common detachment issues, while reinforced brackets resist deformation. Each component undergoes strict quality checks, and the product holds a 4‑star rating from over 750 reviews, reflecting reliable performance and customer satisfaction.
Key Features
- Universal fit for 12‑20 inch bicycles ensures broad compatibility.
- Adjustable height allows customization for different rider ages and skill levels.
- Upgraded circular fixing plate prevents wheel detachment during use.
- Durable alloy construction with a sleek black finish for long‑lasting performance.
- Complete installation kit includes tools, screws, nuts, and decorative accessories.
FAQ
What bike sizes are compatible with these training wheels?
The wheels fit bicycles with wheel diameters of 12, 14, 16, 18, and 20 inches. The size is usually printed on the tire sidewall.
How much weight can the training wheels support?
They are rated for a maximum rider weight of 90 pounds (approximately 40 kilograms).
Is installation difficult?
No. The package includes all necessary tools and a step‑by‑step guide. Most users can install the wheels within 10‑15 minutes.
Can the wheels be used on both boys’ and girls’ bikes?
Yes, the universal design and neutral black color make them suitable for any child’s bike.
What should I do if the rear wheel studs are shorter than 0.4 inches?
If the studs are too short, the wheels cannot be securely attached. You will need to purchase compatible adapters or consult a bike shop for a solution.






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