Last season we used these really nice (timing belts?) Im sure other teams know what im talking about, they held up quite nicely and we attached them to our rims with small screws and spray adhesive... there are some pics on our site, you cant see too much but you the idea...they seemed really popular so im sure other teams can help out with the manufacter... here are some pics, feel free to see the rest of our site
http://www.middlesexboro.net/powercord/pictures/140.JPG
http://www.middlesexboro.net/powercord/pictures/144.JPG
http://www.middlesexboro.net/powercord/pictures/141.JPG
http://www.middlesexboro.net/powercord/home.htm