It is a cogged belt Google one look at the picture
And it is only griped on one side both the contra spring and the variator float on the belt and provide no traction
like a fat kid sitting on a cape
The belt you are talking about is a synchronous belt
A cogged belt is a v belt with notches or cogs to allow more flexibility and less heat
http://www.jpcycles.com/product/603-...5xgaAsvY8P8HAQ
https://www.vbeltguys.com/products/a...wsQaAkKR8P8HAQ