Re: tubless tire patching..
- From: "LJ" <laremoDELETE@xxxxxxxxx>
- Date: Tue, 27 Sep 2005 22:26:27 -0500
"Doug Warner" <dwarner22@xxxxxxxxxxxx> wrote in message
news:cf1kj1t4bopj4vbp8sl6o8n959damkrh0d@xxxxxxxxxx
A couple weeks ago, before heading to the mountains, I checked my
tires. Rear was down to 18 PSI. Checked, found a thin nail running
at an angle into the center, thick portion of the thread.
I dismounted the tire, went out and bought a tubless patch kit at an
auto parts store, and applied one per the directions.
It didn't stick. Loose around the edges.
Peeled it off, buffed again, then rubbbed the cement in with a
screwdriver handle, scraped off the excess and applied another patch.
After rubbing and hammering it down, the edges looked and felt secure.
I remounted it, checked the hole with soapy water.. No bubbles. It
held up for the weekend of riding.
11 days later, I start to roll it out to ride to work, feels hard to
push. Check pressure.. 12 PSI!..
Tonight, add air, soap over hole = bubbles.
Dismount, peel off patch (very difficult) buff like crazy, add
cement, apply larger patch, pound and rub until it looks like part of
the tire.
Check with soap. no bubbles.
Balanced the wheel, then checked the hole again. BUBBLES! ARGHH!
I've had car tires patched this way, and they've held up. but this is
the first time I've done it myself. I give up. Anyone know of a
good online bike tire dealer?
I've patched plenty of car tires, back in the day, but never a MC tire. If
you buffed the spot thoroughly, so there wasn't any riblets running accross
the target area, cleaned it with alchohol or lighter fluid or whatever
applied the glue properly (I don't know why you used a screwdriver handle,
the cement usually has a brush or else you could use the patch itself), It's
probably due to the narrowness of the tire and the flexing of the sidewall.
You'll want to use a small patch if the hole is as small as you say and that
might help. You also might want to try a roller to affix the patch. The
ones I used were like a wallpaper seam roller or a pizza cutter with the
business end the size of 2-50cent pieces stacked together. If you start by
rolling across a diameter line and then working it out to the edges it
should hold or else it ain't gonna ever hold. Good luck (I'll bet you
pretty good at R&R-rear wheel by now)
.
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