I ate a big serving of humble pie on my ride this AM. I'm 37, in OK shape, and I have a 2018 120mm "modern geo" bike. Hot ****, right? Well, I just spent 2 hours getting absolutely roasted (uphill and down) by a dude 20 years older than me riding a decade old aluminum XC bike. To add insult to injury, I noticed at the end of the ride that his rear tire was basically bald. It's an odd feeling; both demoralizing and motivating. Anyone else get taken down a peg or two recently?