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pinch flats--AAARRRGGGGHH!

 
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EvilNerdLord
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Joined: 27 May 2013
Posts: 354
Location: Marysville, CA
2012 Genuine Stella

PostPosted: Wed Apr 11, 2018 4:55 pm    Post subject: pinch flats--AAARRRGGGGHH! Reply with quote

Has anyone else had this happen?
I had a flat but when I took the wheel off, separated the rim, removed and patched the tube, put all back together...inflated...AND TORE A HOLE IN THE TUBE BY PINCHING IT BETWEEN THE RIM HALVES!

and not just once...I have one spare tube with two 1/4" holes on the inside right where the rim meets and now the one one the scoot (rear) is flat (again, after repairing the original flat) and I KNOW I MADE SURE IT WASN'T PINCHED.

WHAT THE !@#$ AM I DOING WRONG OR MISSING?
i think these are the original tubes from 2012 on right now, front hasn't shown any problems.

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Stanza
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Joined: 29 Jan 2018
Posts: 263
Location: Chicago
Puch Maxi

PostPosted: Wed Apr 11, 2018 5:37 pm    Post subject: Reply with quote

Your avatar picture is perfect for this post.

you should try putting just a little air in the tube during assembly, so it can't sneak between the rim halves quite so easily. I hate split rims myself, I'd recommend the tubeless rim upgrade if you can swing it.
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EvilNerdLord
Member


Joined: 27 May 2013
Posts: 354
Location: Marysville, CA
2012 Genuine Stella

PostPosted: Wed Apr 11, 2018 8:42 pm    Post subject: Reply with quote

I thought i did have 'a bit of air' in...buuuut nooo, opposite the stem got pinched.
need to look into split replacement.

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charlie55
Member


Joined: 08 Apr 2008
Posts: 1894
Location: New Jersey
'06 Blur (Sold) '05 Honda Helix (Sold) '76 CB125S (Sold) '06 Honda Helix

PostPosted: Wed Apr 11, 2018 9:37 pm    Post subject: Reply with quote

Dust the tube with talcum powder. Makes it less sticky can help prevent it from binding to the rim and tire during assembly. My old Honda CB was tubed. No split rims, but pinching with the tire iron was always a PITA.
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EvilNerdLord
Member


Joined: 27 May 2013
Posts: 354
Location: Marysville, CA
2012 Genuine Stella

PostPosted: Wed Apr 18, 2018 10:54 pm    Post subject: Reply with quote

discovered that my (second) patch (there was already a patch, ran over a nail) didn't hold, had to peel it off and redo the fix.

so...
1) had flat from nail
a) took wheel apart to repaired flat
b) reassembled wheel
2) new flat from pinching tube during reassembly 1b)
a) took wheel apart to repaired flat
b) reassembled wheel
3) repaired tire/tube goes flat again
a) WTF!?!?!?
b) post WTF!?!? on modern buddy
c) gleam answers of hivemind
4) HAVE AH-HA! moment
a) took wheel apart to repaired flat
a.a) discovered patched fail on pinch hole from 3) remove/rerepair
b) reassembled wheel
5) inflate to stated pressure for rear (35 psi) seems too much, but that's what the SOM says as well as the tire itself...so OK
a) so far, so good

Very Happy

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