jp-t853 oh wow 26″ wheels how is the pedal to ground clearance and flat bars, never thought of that type of build.
I had a Cove Handjob and wanted to change to a commuter so I transfered everything over from the MTB (full xt, riser bars plus some bar ends) to the Kaffenback frame & forks. With the thin tyres in the photo the lack of clearance is noticeable.
I changed the tyres to 26×1.75 Schwalbe Marathons and they fill the diameter gaps pretty well (I had to adjust the mudguards outwards quite a lot) and therefore clearance is fine. It is very comfortable having 47mm tyres which is not an option running 700c.