I'll be 56 next month, 5'7.5", 30" inseam I float between 190-200 depending on the year, I can ride pretty long last year we did a 900 mile day followed by a bunch of long days. Two years ago I started having shoulder issues that have since be traced to my neck, so it takes a lot of ibuprofen to keep me going but still manage. I can usually run tank to tank with a short break at the gas stop on my hammock seat.