Answer a lighter bike may save you a few seconds per climb. But if you really want to get faster, there are better ways to spend your energy and money, like shedding bodyweight, upgrading your wheels, and making your bike more aerodynamic. Chart comparing the efficiency of bicycles with car, diesel, and steam engines, gas ... is another great advantage of bikes, although a little hard to quantify. ... Cycling can sometimes feel like hard work, especially if you're going uphill. ... Photo: The bicycle's inverted A-frame is an incredibly strong structure ...
Explanation: hopefully it's right :T