Just an observation , On my previous gen 1 XR , I did 30k miles and could never really get more than 3k miles out of a set of metzeler roadtecs , the front would wear down to no tread and the back would wear to very little tread and square off. However on my gen 2 XR I have covered 6k miles on 1 set of metzeler roadtecs again and both tyres still have legal tread left and have just started to square off , hence I have just had them changed
Same rider, same tyres, same great handing bike , but gen 1 vs gen 2 resulting in gen 2 lasting twice as long.