Well we all know the dealers by their cars from Honda Australia (at least thats the BMW model), and Honda Australia are the ones that set the configurations/specifications from the parent company in Japan.
So I believe you've just been taken for a ride.
Either way, there really is no point in chasing a pointless question. You have a set of tyres, if they aren't right, go and buy a new set in a different brand. Why make a simple situation complicated right?
This thread got me thinking that maybe I might go to a 245 when the current rubber needs replacing (if I am still alive) to improve the protection of my rims. So I went in to the calculator and was surprised to find out that a 245 is 1.2% bigger in Diameter than a 235.
Excuse my naivety, but why is this so. I though an 18' 45 profile was an 18' 45 profile.
This thread got me thinking that maybe I might go to a 245 when the current rubber needs replacing (if I am still alive) to improve the protection of my rims. So I went in to the calculator and was surprised to find out that a 245 is 1.2% bigger in Diameter than a 235.
Excuse my naivety, but why is this so. I though an 18' 45 profile was an 18' 45 profile.
I think it's cause of the amount of rubber used on the width of the tyre.
The less rubber the less likely the tyre would flex, more precise and quicker. My 2c.
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