I bought these primarily to save weight. Do they really matter? Absolutely. The wheels feel easier to steer, bumps don't affect chassis stability as much, and acceleration and braking have been slightly improved. I didn't measure an increase in mileage, but I never got it, for the simple reason that I didn't need to use it anymore. While forged aluminum will never match the strength of steel, nor the combination of lightness and rigidity of their much more expensive titanium counterparts, theyβ¦