Originally Posted by WhyFi

His statement is still more accurate. Your statement makes a couple of assumptions that aren't always true: it assumes that there are no missing teeth (like some of the previous SRAM cassettes) and it assumes circular (Q-rings are not circular hence the 'easy' and 'hard' parts of the stroke).



Why? I didn't see anything there that answers his question; knowing what gear inches you're dealing with in any particular combo does nothing to explain why it's easier to spin a 53/24 combo vs 53/12.