6ft with a long torso, I’d say a large too. You sound exactly the same sort of build as me, I rode a large. They don’t really come up small though, I guess it depends what you compare them to. Compared to my Large Blur LTc, the ASR5 is much longer in the TT.
Much as they get rave reviews and I enjoyed my test ride enough to buy one, long term I never really got on that well with it. Can’t really put my finger on it, but one thing I didn’t like was no matter what I did with the shock settings I found the pedal bob too intrusive. Ultimately I think it just didn’t suit me and my riding.