Joined: Nov 2005
Posts: 5,768
Likes: 10
Bikes: Cinelli, Paramount, Raleigh, Carlton, Zeus, Gemniani, Frejus, Legnano, Pinarello, Falcon
Might try some Liquitex Gloss Medium & Varnish. Its water based acrylic (plastic).
Or get a replacement sticker from cyclomondo on ebay.