Info for anyone else who may be purchasing. Spacer bolts are M5, I bought sets in 20mm increments from 40-100mm from Bolt Depot for <$10 to play with pad height. I believe the spacers are compatible with the PD A3A riser kit, but have yet to order and check -- still getting other aspects of the fit dialed.


Some niggles:

- the hardware holding the arm rests / clamping the extensions is incredibly soft. I recommend replacing it right away.
- had to sand down the seatpost to allow for movement within the seattube
- bottle cage mounts are too far down the downtube to mount a standard bottle cage. Even with a sideloader the rear wheel cut out is too large to allow the bottle to sit flush. Might be fixed on larger sizes, but if even a 54 is too small I doubt it. Using a Wolftooth B-Rad to move it farther up the downtube for now, and planning to try the Cervelo aero bottle, which looks like it may clear.
- Stem clamps from only one side and has a weak hold on the steerer. Needs to be torqued to 6-7Nm or it still wants to turn. Going to try adding some carbon paste and see if that helps.

nice to see some more options for disc come to market in recent months. anyone know why there's such a sudden uptick?

Ended up ordering during the last day of the sale. Opted for custom painting so it will be a bit before I receive the frame. Will post on the build process and result once completed!