(05-17-2020, 08:34 PM)runnerhiker Wrote: I use DynaPlug, the patch is a sticky rope like the one Darrell mentioned except it is probably thinner, and it has a metal mushroom head. The instructions say don't cut the rope right away, spit on the repair and see if it's holding. If not, stick another plug in.Though I carry a bigger kit with a real reamer and thicker strings in my tailbag or tank bag, I've played with the Dynaplug, and am confident enough to use it as my backup as it is small enough to store in the seat panels with 48 g of CO2..., half of what's needed for a full reinflation of the rear tire.
I used it to repair a tire with a similar screw, it indeed needed two plugs, then I cut them. I used the tire for another 500 miles or so on local rides and it held fine. So the tip is "spit"
Have to say, although I've repaired 2 flat tires on the road on my bicycle recently, after close to 20 years with no flats (did I just jinx myself again) I no longer feel like I'm much of an expert on on-road repair of tubeless motorcycle or car tires. On the other hand, it's easy to get a little superstitious and take the position I will only flat when I have nothing with which to fix it. On long trips, with 3 sources of air (electric pump, hand pump, CO2 - 138 g total), 2 different repair kits, and occasionally tire irons in anticipation of sewing, gluing and booting a side wall on gravel..., I should never get a flat....)
Right side - Dynaplug, CO2 cartridge and inflator.
Left side - 2 additional CO2 cartridges. Note - these are only 16 G cartridges. The more convenient 45 g cartridges didn't fit as well.
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"A good man always knows his limitations...."