Originally Posted by Koyote

Have you really loaned a tire to someone so they could complete a ride?

Originally Posted by Kontact

Have you ever had any failure on your bike when you didn't have everything you needed and didn't take an Uber?

Yes, I have loaned people wheels after their tires blew up. But this was before discs were common so there was no compatibility issue. I've also made broken shifters work in the middle of a race. Stuff happens in real life when you don't have a pit crew.