I recently set up a Schwinn 24" Typhoon for myself as a "Stingray" with a banana seat, shocked sissy bar, springer fork, 24 X 2.125 Sulky slick in rear, 24 X 1.75 brick in front, and 16" tall handlebars. I'm 5'7" and 150lbs. While a blast to ride, it didn't take too long to have a sore butt...