Hello everyone, as you guys already knows I bought Yokohama Advan DB and installed at 20,000kms. Now, its 40,000kms on the ODO meter. Should I change the tyres diagonaly now? Also, what would be the average life (60,000kms, 70,000kms or 3years, 5years) of these tyres? Currently, its been a year now and I have never faced any issue regarding tyres and not even a punctured once. Once again, Thank you so much eveyone for suggesting me Yokohama. 