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Tire Condition

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Old 06-08-13, 07:07 AM
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Tire Condition

I have some old Continental Grand Prix tires on one of my collectors bikes that I'd like to ride again and am wondering since I see threads on the sidewall if that means its time to give them the ol' heave ho or are they still usable?
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Old 06-08-13, 07:37 AM
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Pics, please.
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Old 06-08-13, 08:39 AM
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Originally Posted by Bob Dopolina
Pics, please.
The tread is perfect! I'm just worried about the sidewall and possibly getting a pinched tube after hitting a bump, divot, or railroad tracks...
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Old 06-08-13, 09:59 AM
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I'd say replace them. Not worth the risk of a failure as where those are likely to bust is not easy to boot.

Check probikekit where you should be able to find a new pair of GP4000s for around $80 or good Michelins for a little less.
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Old 06-08-13, 11:15 AM
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I found a set of tires like that on an old bike (Conti GPs too!)... the rubber was brittle too and that thready looking stuff was just flaking. They're in a landfill somewhere now.
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Old 06-08-13, 12:19 PM
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Cost of a pair of new tires is much less than medical bills from a high speed blow out.
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Old 06-08-13, 06:24 PM
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Toast.
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Old 06-08-13, 06:26 PM
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Originally Posted by Beaker
Cost of a pair of new tires is much less than medical bills from a high speed blow out.
Good Point!
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