I used the corner of an inner tube patch on the inside of a GP4000 one time after running over a smashed bottle which left a 3mm hole. That tyre has been fine for 1500 miles since. Sidewalls are more iffy though. You don't want a proper blow out.
@rodabod started
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I used the corner of an inner tube patch on the inside of a GP4000 one time after running over a smashed bottle which left a 3mm hole. That tyre has been fine for 1500 miles since. Sidewalls are more iffy though. You don't want a proper blow out.