Less comfort and more my shitty knee (which per the doctor I'm trying to keep as long as I can, but will need a replacement before my 60s guaranteed)
I'm also considering getting electric going as a backup, in case I need to give my knee a break for a few. My longer (60+mi/100+km) rides I just can't do anymore because of it, and I am trying to think of ways I can. Right now even 25mi/40km can be a bit of a stretch, so when I do ride its only for an hour or so. I miss the long rides.

