The literal French-to-English translation of Fond de Jante is "inside the rim". Beyond that, it means two other things to us: (1) Adhesive rim strip. (2) Perfection. It's the only type of rim strip we sell because it's the only type you should put on your wheels. Perfect in every way. It's inexpensive, it lasts forever, and it's highly effective at shielding your tube from the backside of rim eyelets. One shop secret: If you have a never-ending string of flat tires that appear to have no source, install some new Velox.