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Author Topic: replace tire if completely flat?  (Read 925 times)

evdjerome

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replace tire if completely flat?
« on: September 11, 2015, 05:26:15 AM »

My Zero DS has had a completely flat rear tire for about 3 days now. Should I replace the tire along with the tube regardless of whether there is a hole in the tire?

I'm concerned that the sidewalls would be damaged from the completely flat tire being smushed by the weight of the bike over 3 days. I don't want weak sidewalls with a new tube and suffer a blowout at 70 mph!

Your thoughts?

-Jerome
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2015 Zero DS 14.4 (originally 12.5)
2012 Zero DS 9 (sold)

BrianTRice@gmail.com

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Re: replace tire if completely flat?
« Reply #1 on: September 11, 2015, 05:29:44 AM »

3 days is probably not too bad. It would depend on the tire's age. My Zero DS has had two rear flats this year (terrible statistic, but that's 2 of the 3 flats I've had since I started riding 8 years ago!) and just got a tube replacement and tire patch each time.
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BrianTRice@gmail.com

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Re: replace tire if completely flat?
« Reply #2 on: September 11, 2015, 05:31:14 AM »

Also, if it's a slow leak, just unload the bike as completely as possible and maybe inflate it every few hours or something.
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Richard230

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Re: replace tire if completely flat?
« Reply #3 on: September 11, 2015, 06:37:40 AM »

If it was me, I would just replace the tube and go riding.   ;)
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BenS

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Re: replace tire if completely flat?
« Reply #4 on: September 13, 2015, 09:35:16 AM »

It should be fine, especially if it hasn't been ridden on. I've never replaced a tyre because of a flat, even after riding on it, even on my GSXR! Tyres take quite a lot of punishment even when they're inflated, including bottoming out on the rim.
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2015 FX 5.7, DIY Electric "Jesse James" chopper bicycle, and DIY Electric 26" Lowrider bicycle. ('10 KTM 530exc, '06 GasGas EC250, '06 YZ450F, '06 GSXR1000.)
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