Had a nail in my tire last week and a let a tire shop fix it with a squiggly. I don't think they bothered ruffing up the hole. Never again unless it's an internal patch is someone else going to repair my tire. it let go a highway exit ramp highway and deflated . A fun 5 seconds at 30 mph. no damage done to my or my bike. Oh well at least it wasn't at 70 miles an hour which is what I was doing 30 seconds before. I Fixed it at the side of the road and I ll get a new tire asp.