hydroedge /grabler

well after 23000 miles i a finnaly change to the hydroedge .still had some miles left on the grabler but with roumors of the hydroedge demise i said let me get one .walmart 138.00 compared to the grabler at the time was 78.00 .i did notice the hydroedge seem to be a better over all ride .also said the grabler was my 1st exp. with ct so maybe i was thinging about it to much . anyway very happy with tires.i ride with southern crusers have three people that went with the ct after seeing how the tire perform all very happy with there choses . question where can i get darkside patch