The details about the color and size are very important for the appraisal. A size small frameset could be the half of the mentioned cost. Same for the color way…
Pictures? Color and size? The frameset for the dated Sworks Levo SL is on sale for around 4500 pounds. Considering that it’s a 3+ years Gen1 expert frame probably it should be around 1500-2000 I guess.
Praxis Cranks, 3 years with my LSL and not a single problem. The failure prone you mentioned is new to me.
My Alum one in size Large is under 40 pounds.