Originally Posted by
spivonious
The weight of a rack added a few minutes to your commute?
I don't like a backpack compared to luggage but it is less draggy. It's hidden in a wake you were making anyhow.
Originally Posted by
ThermionicScott
It's doubtful. Tubes can stretch quite a bit to accommodate larger tires. Probably just a one-off thing.
Unless they've been patched! Then you get a stress riser around the reinforcement of the patch as the tube inflates to fill the tire, and eventually it will work itself apart. I found such a leak on my then-gf's bike.