Thread: When to Replace a Tire
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Old 06-21-17 | 06:26 AM
  #19  
SylvainG
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Joined: Apr 2017
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From: Ottawa,ON,Canada

Bikes: Schwinn Miranda 1990, Giant TCX 2 2012

Originally Posted by SylvainG
I punctured my Continental Grand Prix 4000S II with a glass shard after just 500 km. I can see the pinhole in the tire. I installed Mr Tuffy in both tires. Hoping this will help prevent future flats.
Well, ran over a patch of gravel on a bike path yesterday. Few seconds later, POP! pfff... pfff... pfff... 1 cm sidewall cut. One Grand Prix 4000S II destroyed in about 1000 km
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