For years the general thought that if you weigh over X pounds then a suspension system for a bicycle is a unattainable dream.While not a fix for everyone I found that the springer "fork" will work on a cruiser type bike even at the 350lbs level.I had one of these on a past Worksmen newsboy and it worked great without the need to use up the adjustment if I had weighed more.These used to be available many years ago and its a shame they are not more popular today.While I do understand the "new" units are possibly better in some ways they just don't handle the weight at a reasonable cost.
This is a example:
