London Fixed-gear and Single-speed SJS Cycles

zep · 4th July 2009

I dunno what the correct term is for this is but after hitting a really deep pothole yesterday I got a flat, but after pulling aside and inspecting the inner tube, I found there were two parallel 5mm slit marks (on the inside, where tube rests with the rim) possibly caused by the spokes?
I got nylon rim tape on both front and rears so im well confused as to how this can happen...anyone help?
Do I need rubber rim tape or something more flexy?

thanks!
Z

dicki · 4th July 2009

prolly a pinch flat not a spoke poke
if you do a spoke, you'll see it puncture through the rim tape and it will be noticeable and loose
you probably just compressed the tyre and squished the inner tube against the rim pinching it and causing a puncture

zep · 4th July 2009

Oh ok...simples! nice one dicki

hippy · 4th July 2009

Pinch flat also known as a "snakebite" flat for that very reason - two holes, side by side like a snake bite.

zep · 4th July 2009

yey! 'Snakebite' and 'Spoke-Poke'...my vocabulary is gettin larger.
thanks yo!

dicki · 4th July 2009

we got all the big words on this forum

4th July 2009	#1
zep	Spoke strike on innertube...? I dunno what the correct term is for this is but after hitting a really deep pothole yesterday I got a flat, but after pulling aside and inspecting the inner tube, I found there were two parallel 5mm slit marks (on the inside, where tube rests with the rim) possibly caused by the spokes? I got nylon rim tape on both front and rears so im well confused as to how this can happen...anyone help? Do I need rubber rim tape or something more flexy? thanks! Z
	quote reply

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4th July 2009	#2
dicki	prolly a pinch flat not a spoke poke if you do a spoke, you'll see it puncture through the rim tape and it will be noticeable and loose you probably just compressed the tyre and squished the inner tube against the rim pinching it and causing a puncture
	quote reply

4th July 2009	#4
hippy	Pinch flat also known as a "snakebite" flat for that very reason - two holes, side by side like a snake bite.
	quote reply

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