[QUOTE] My 07 GSX-R 1000 was bought as a wreck and it had a bent disk even though it was unmarked. Might be soft disk material that caused it.[/QUOTE] I've owned mine from new. I'm not going to worry about it for the trackday, as it doesn't make that much difference. I'll get the shop to look at it properly at the service in June. [QUOTE] Pulling the calipers off isn't a big job only 2 bolts per side.[/QUOTE] Yeah, I'd just never done radials before so it threw me a bit. Might have a go when I've got a bit more time. _After_ the trackday :-)