You can pretty much take the tracks for any Panzer II and they will fit your Wespe. I have always been a big fan of Friuls. Expensive but they do look brilliant and have the correct sag naturally with their weight.
Greetz Robert "FAUST" Blokker
"Wees niet onverstandig, haastig of voortvarend; alles sal regkom, as ons almal ons plig doen".