I wish I knew more about air in the forks. If there is a difference between bleeding the air and not draining, I don't notice it. Someone says it is mostly for aggressive dirt riding with lots of bouncing that you may need to bleed the air. I've stopped doing it. One thing that did need attention is the compression rebound if you have the same forks as the S model...those adjustable screws on each fork near the bleed screws. Turns out I needed to start with those both turned clockwise until they were completely screwed in (don't force of course). That was fine, but I turned each one 2 clicks counterclockwise (there is a slight click that you can hear and feel as you turn the screws) from that and the shocks still rebound OK. Before they were really clunky/noisy whenever I would hit almost any sharp bump even small ones at slow speeds. I like your model, but the seat ht. is too tall for me. Should be a blast to ride though.