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I have a new set of mega mayhems. (Front ) 27-9-12 ( rear ) 27-11-12. I put them on a new set of Itp ss212 black rims. I'm gona put them on after I do my first service ( which is in about 20 miles ) which leads me to my question/concern. I ride pretty hard and I'm finding the way I ride that even with the factory tires it's seems to be under powered. Do yall think the mayhems will be too much for it?