Greetings again, I've been riding and wrenching for 40+ years, and wheel physics 101: the bigger (diameter) the wheel, the weaker the wheel. The new 27.5 (6650b) size makes a bit more sense than 29ers. I weigh 225lbs. and riding mtb's since 85, bikes are not rocket science, so stick with 26in. wheels, they are lighter, stronger, more responsive,and handle better! Good riding.
Regards