I feel the same about carrying the bikes up stairs :-)<p>However there is a noticeable difference in riding as well, unless you ride only on short distances.<p>You can simulate the difference on the same bicycle so the comparison is not tainted by different tires and mechanical components. You can add 5 kg (or 10 pounds) here and there or even in a backpack (but it will harm your performance in other ways). Maybe don&#x27;t put weight on the steering&#x2F;front wheel because that will make for a difficult handling. You can use water, so you can release it at any time and feel the difference.<p>You&#x27;ll notice that with the extra weight you accelerate less and climb worse. All sort of disadvantages derive from that. If you do 100 km and you have a choice, you&#x27;ll go for the lighter bicycle. Unfortunately that means a lighter purse as well, maybe much lighter.