Originally Posted by
stapfam
So that simple change of gearing has changed his ride manner completely. Having the 28t means that he no longer wears himself out whenever gravity goes the wrong way and his bug bear of a hill is no longer. The 11t has given him some top speed that he had before but has now improved.
I'm so sorry for you that he figured out that gearing thing. Now he's going to be constantly badgering you to keep up.