Quote Originally Posted by teigyr View Post
Going from 30 to 50 while shifting seems a huge jump but as they said, it isn't that much worse than a 34 to 50..
That sounds like very bad advice to me. I was advised the biggest jump you can have between front rings is 16 teeth, so a 50/34 is already at the limit of all known front derailleurs when my crank set was being built.