As a continuation of the discussion on geometry, I wanted to propose a completely different geometry and then present some more possibilities for discussion.
Based upon The One that started Rawland, this set is markedly different than the geometry as first proposed last week, and could be considered as the basis for the Olaf and the Sogn. It is for that reason I thought it would be worthwhile for us to compare both geometries and then go from there.
• Effective top tube length: 56 cm
• Seat tube angle: 72
• Head tube angle: 71.5
• Rake: 54 mm
• Axle-to-crown length: 385 mm
• Trail: 59 mm; 54 mm on a 584 x 38 Pari Moto
• Headtube length: 161 mm
• Chainstay length: 45.5 cm
• Bottom bracket drop: 70 mm
• Standover height: 80 cm, based on a 584 x 52 Pacenti Quasi Moto
Here is a drawing with the second geometry:
Click on the drawings to embiggen.
For comparison, here is the rSogn as first proposed:
• Should the trail be much lower at 40 mm instead?
• If so, should the head tube angle and rake be 73 degrees and 65mm, respectively?
• How long should the chainstay be?
• Should the head tube extension remain at 25 mm?
• Should the bottom bracket drop remain at 70 mm? Or would 65 mm suffice?