This exact problem happened to me just last month after about 2 in a half years. Using a Razer naga.. If it happens again I'll def consider remapping to anything but mouse scroll clicks.
Chiming in to vouch for the mx518 with the others, I've had mine forever and its still working. I won't have to replace it because it breaks, I'll have to replace it because its just going to get too dirty and gross to use eventually I've owned at least a dozen other logitech mice in the last decade + some razer ones and…
Hm, the Roccat products are quite cheap built. I have a Kova and it´s one of the crappiest mice I´ve ever had. I also have some <10USD mice from CHina and all are better than the Roccat. The Kova´s scroll wheel needs way too much force to click it. I disassembled mine and installed another swith. Now it works better but…