🚴♂️ Ride with Confidence - Safety Meets Fun! Crafted from 3MM high-strength carbon steel for ultimate durability. Heavy-duty design ensures your child's stability while riding. Compatible with 18, 20, and 22-inch bikes for versatile use. Quick setup with provided tools, so your child can ride in no time! Non-slip, wear-resistant PVC wheels for a smooth, silent ride. Eco-friendly PVC 3MM carbon steel 1.1KG weight The NATTHSWE Bike Stabilisers are designed for children's bikes, providing essential support and stability for young riders. Weighing just 1.1KG, these heavy-duty training wheels are made from high-strength carbon steel and eco-friendly PVC, ensuring durability and safety. They fit 18, 20, and 22-inch bicycles, making them a versatile choice for kids at different learning stages. Installation is straightforward, allowing for quick adjustments to meet your child's needs.