Quote:
   | Originally posted by rockhopper Mad Dog, i'll leave the maths to someone else, its not my strong point which is why i asked the question on here!
 
 So after 20,000 indicated miles, her bike might only have actually done 19,000.  Thats quite significant isnt it??
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    Excep that over longer distances it will average out between you because you will have both been through several sets of tyres from new to worn.