Well, if I can help in any way, you're welcome
. That said, I have never ever had any knee issue so I was just wondering if it could be linked with a new pair of shoes. Maybe it's just a coincidence and the reason is something else, I'll have to figure out. For me, Asics have always been the best tennis shoes on the market and still are ; it's just that, maybe, the R9 is not for me, for some reason. I have a pair of used Speed, will wear them for a few hours and, if some are interested, I will post an update here.