We’re just riding along up a hill on a team ride and heard this terrible metal twisting, shearing sound. Eric’s rear derailer was clicking a bit, he shifted up, and something happened. That something tore the derailer off the bike and mangled the chain. A team mate had a chain tool and Eric got back with a single speed: 39 x15.
MapMyRide has become a default bike-mapping tool for race promoters and they’re using it to share course profiles. Good for the promoters, but despite looking at it several times, I don’t know what this chart is communicating
Checked with others, they don’t either. My work-at-Microsoft-PC Bros who understand such mathematical-type things? Nope.
I can send them my old Tufte books, if you’d like. Sparklines dude.