You look good on the bike, nice position. Feeling it in the shoulders usually means move the saddle back some. May need an offset post if this isn't one. Soft tissue always means a different saddle. The Selle Italia MAN saddle fits a lot of people, very popular. Worth a try. Usually a good price on ebay. Looks like you could use a little more reach, not much, moving saddle back a bit might just do it.
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