Custom Oak Cycles 650B French Randonneur Project.

The handling issue I pointed out was because I thought you had a 120mm stem. Even with a low trail geometry, you don't want to move the handlebar too far ahead. Both your body weight and the bag's weight shift to the wrong end of the axle. 100mm seems like a much better choice.

I don't think you quite get the low trails geometry, it doesn't matter if it's in the wrong end of the axles, it will still be fine to ride, it's only an issue if I have my saddle set far too forward putting my body weight on the handlebar only, instead of saddle/bar.

Are you 184 cm tall as stated in the notes of the builder at the first page? I guess I'm shorter than you (176cm), with a slightly longer inseam (87.7cm). My frame is a 60 x 56 with a 85mm stem. Your arms don't look short in the photos, is that the issue? Couldn't figure it out the reason for 53mm top tube...

I have a very short chest for my proportion.