The stock 100m dropper doesn't get out of the way enough for her so was looking at at 150mm dropper, but it needs to go all the way into the frame to give the correct pedalling height at full extension.
The 100mm that came on the bike has the same lower length as the 150 ks lev. the current post has about 2 inches exposed and won't go in any further. Just curious as it stops right at the bottom weld of the top tube and internally looks like its smooth for those 2 extra inches.
A 5" reverb has a shorter lower length so that's the next best option if the 150 is a no go.
p.s. if anyone is looking for a cheap 100mm dropper (KS e-ten with remote), 30.9mm dia, let me know.