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Old 02-08-2013, 01:14 PM   #5
kimguroo
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In my case
1) when I see holes or midsoles
2) have knee pains (air max cracking for 4.3 or EVA form failing-barricade)
3) slipping from courts due to smooth rubbers.

Usually it happens between 8-12 months periods of time or 100-140 hrs.
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