Conti Supersonic perishing

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stevepratt48

New Member
I bought a Conti Supersonic (700*23) last August, used for ~ 100 miles, then stored bike for (Long!) Winter. When I got the beast out, pumped to 130psi, I oticed sidewalls had crazed (Perished?) - tried contacting Conti (UK) who didn't take any interest- so I've posted to Germany for comments.
Anybody else had any problems?;)
 
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