Stop-A-Flat Puncture Proof, Thorn-resistant, No-flat, Bicycle Tube, 14 x 2.40

Stop-A-Flat Puncture Proof, Thorn-resistant, No-flat, Bicycle Tube, 14 x 2.40These Stop-A-Flats come in multiple sizes. Follow the SIZE: chart to help choose the SIZE: you need. No more wasting your h...