Just taken wheels off to have new tyres fitted as I’ve had enough of the sport demons, never liked them from new. Front wheel would lock on heavy breaking and mid corner the front would start to slide out as if you’d hit diesel or water, awful! When I removed the front I found a 10mm deep split across the tyre.
Not what I’d expect from a tyre that is only been on bike 14 months and done 3k miles. Would not recommend these to anybody, let’s hope the bridgestones are better.