Originally Posted by fietsbob

Anyhow I dont know what is in Shops in Helsinki Finland .. only in my Town ..



And Im not a computer search engine .

a pair of sleeves with 3 compression bolts have been machined threaded to adapt American OPC to use a conventional Threaded BB..

You may find a Thompson equivalent.. or maybe the axle has a square taper equivalent ..

got any bike shops that have run in the same location since WW2?