Originally Posted by
Steve B.
I'm thinking it's complete guess work as it's attempting to calculate what gears you are sitting in based on speed. Too many variables. As well if you click on the tiny.url link there's a column of posts from people unable to get this to work.
Cadence and speed are used together.. in theory it could/should be close; though it may rely on you knowing at least which of the front rings you're in since there could be overlap in gear inches. FYI, Those comments are 2-3 years old, for a long-since replaced editions of the app. That said, and like I said, haven't used it.