The 60 x 230 inner tube and outer tyre, made of rubber, are a safe and practical choice for children's trikes and pushchairs. Designed with durability and wear-resistance in mind, these components ensure years of safe and enjoyable use. The 9 inch puncture-resistant design ensures security while on the go, and the black finish adds a stylish touch to any vehicle. Ideal for baby prams and balance bikes, these wheels provide a secure and easy way to replace worn-out parts. With a lifetime guarantee on materials and workmanship, you can rest assured knowing you're making an investment in your child's safety and fun.