front tire wear

Randolph Peters arpee44 at
Sun Sep 16 22:43:07 PDT 2012

Hi Listers,
I'm perplexed by a weird wear pattern on my front tire (Dunlop Roadsmart, 5000 approx. miles). There is a high ridge in the center on either side of which is a concave band before going outwards to raised edge bands. In addition the wear is not symmetrical.  I hope you can see the profile from these photos.
The usual cupping (digs between transverse thread grooves) is not present.
I think that this is responsible for front wiggle at high speeds and inability to steer a straight line at crawl speeds.
Any idea what may have caused this?
Thanks for your input. 
Randy from New Orleans
ZZR 1200

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