Alan and the headset lugs

 

On the left the top tube, on the right the downtube, both head lugs and head tube are removed.

Both have fine threads.

Check the top tube.

Both head lugs, on the left the upper, on the right the down lug.

The upper lug.

Threads for the top tube.

The down lug.

Threads for the down tube.

Maybe check this too

Please note,

this is in English because most people cannot read Dutch.