It depends; what year is your ST or the style/ shape of your reservoir covers? Mine are the round type on my '01 ST and the black coating is lifting of the stock covers. I've seen this happen quite a bit! DP offers billet aluminum covers for my bike. I believe Paulimoto makes anodized covers for some of the Ducati line but I'm not sure about the ST bikes. I've been checking my options and searching for new reservoir covers as well. If I find some, you'll be the first to know but I'll need to know what style of cover you have.