I'm 60yo, 6'2" and I have 2 road bikes and 2 ebikes with the ibera rack and ibera bag on all of them, and is the best rack and bag system out there IMO. Very secure, configurable and top notch. And I've tried a lot. In all of those bikes the saddle is about level or higher than the bag when mounted on the rack. Also the rack has adjustability to move it lower closer to the tire/fender. So depending of your height, if you have trouble swinging your leg over the saddle you will have trouble mounting as you will also have to clear the length of the bag behind the saddle. So you are right, removing the bag will be a solution. But I also found that tilting the bike while mounting makes it much easier as my body gets older and stiffer. And so far so good.