Originally Posted by
sb88
No.
If you have an 11-25 10 speed cassette and replace it with an 11-25 11 speed cassette, your high (fast) and low (slow) gears remain the same. You just get one more increment in-between, which for a serious racer, might have the benefit of disrupting their pedalling cadence less when changing gear. Also, the adjustments are finer and potentially more fiddly.
Thank you. That makes complete sense to me. And the reason I wanted to change is to be able to climb hills better. Guess I'll be out practicing more is all.
Is it also the same from a 9 gear to an 11gear?