Originally Posted by CliftonGK1

The best unsolicited advice I got was as I (slowly) passed a guy up a long climb. I'm standing on the pedals, grinding a slow steady cadence, and this dude says "You should spin a lower gear."
I said "Show me how."
"Oh, you want to use a smaller gear up front and larger one in the back."
And I said "On this bike, show me how." It was at that point he looked at my drivetrain and realized I only have 1 gear.