# Michelin Collection Tubes CH 12 CG 13 – Reliable Inner Support for Classic Wheels Designed for vintage and classic vehicles, the Michelin Collection Tubes CH 12 CG 13 provide dependable air retention and a secure fit for older wheel standards. Crafted with durable materials, these inner tubes maintain consistent pressure and resist leaks, ensuring a smooth and safe ride. Ideal for classic car and motorcycle enthusiasts, they are engineered to match the specifications of period-correct tires, offering optimal compatibility and performance. Whether you're restoring a heritage vehicle or maintaining a collector's model, these tubes deliver the reliability Michelin is known for. **What are these inner tubes used for?** They are designed to work inside tires that require a tube, commonly found in older vehicles and classic rims with specific CH and CG sizing. **Why choose Michelin inner tubes?** Michelin combines precision manufacturing with high-quality materials to ensure longevity, minimal air loss, and excellent performance in authentic restoration projects..