Outer Tire Tube 12 1/2X2.75 For 49cc Mini Dirt Bike For MX350 Scooter Wheel | eBay
Helonge 12.5 Inch Bike Tube 12.5 x 1.75-2.25, 2 Pack Bicycle Inner Tube(12 1/2 x 1.75 x 2 1/4) for Mini Bike and Stroller with Standard Schrader Valve : Amazon.co.uk: Sports & Outdoors
Rear Tyre & Inner Tube 12″ Off Road – 80-100-12 – Aria Bikes