Originally Posted by Bartron
An additional consideration is ABS. For those of us with ABS bikes the computer may think that the rear wheel is locking us as it would be spinning slower than a 17". Would love to hear if anyone has encountered this or heard of a fix (besides ordering the bike without ABS). the 140/80 I put on instead of the 150/70 has a greater circumference than stock and that has not had any effect but I could just be within some sort of acceptable range.
I think that the ABS computer cares about rates of decceleration of the wheels and not their absolute speed. If this is true, then it won't make any difference whatever the wheel size.