Quote:
Originally Posted by Sykomor
I finally got to try the 185/60-15 Michelin Energy Saver. After 300 km I can't see much difference from the standard 155/65/14. I had high hopes.  |
Did you compensate for the bigger diameter ?
The odometer will show 8% less distance than what you've actually done.
Tire Size Calculator - tire & wheel plus sizing
Bigger wheels are also heavier.
Wider wheels mean more drag.
Looks like that's enough to cancel out any improvements in RR if you're already correcting for the bigger diameter.