Amazon.com: 2.5-10" Off-Road Tire and Inner Tube Set, Dirt Bike Tire with 10-Inch Rim and 2.5/2.75-10 Dirt Bike Inner Tube Replacement,Compatible with Honda CRF50/XR50, Suzuki DRZ70/JR50, and Yamaha PW50-2PC : Automotive
Amazon.com: 3.0 x 12 3.00-12 12" Inner Tube for Honda XR50 XR70 XR CRF 50 70 Kawasaki KLX110 Suzuki DRZ110 Yamaha TTR90 Mini Chopper Pocket Dirt Bike SSR Coolster : Automotive
Amazon.com: 2.5-10 Dirt Bike Tire,2.5-10" Off-Road Tire and Inner Tube Set,2.50/2.75-10 Dirt Bike Replacement Inner Tubes,Compatible with Honda XR50/CRF50, Suzuki JR50/DRZ70, and Yamaha PW50 : Automotive