redid the link shortly after i posted tried to show the whole page of bottom bracket conversions but for some reason it showed conversion vans anyways now shows the one i use
A couple of ways to do it i usually use the open bearing conversion kit cheap and easy
http://www.ebay.com/itm/BB-Conversion-Kit-for-Bottom-Bracket-YST-Corp-1-Piece-to-3-piece-/221339994309?pt=US_Bottom_Brackets&hash=item3388e448c5
When i saw the straight top tubes lugged frame and W at the beginning and end of the serial # i thought for sure Worksman but i see what your talking about in the downtube and dropouts maybe an older one or another brand industrial bicycle Husky makes one very similar to the Worksman Newsboy but...
Can't beat the old Schwinn straightbars heres a couple i built one prewar one postwar i think its what most modern frames are fashioned after like that straightbar Merlin for instance
You need to look for an old school bmx headset 1" threaded you can find them now and then on ebay Chris King makes one probably costs more than you paid for the frame
Coolest bike i ever rode was the new stingray my mom bought me for my tenth birthday in 1968 that bike was COOL!!! Wish i still had it. Lemon yellow with a black banana seat and a slick
Thats what happened to the picture when i tried to post it i tried resizing and that didn't work anyhow just figured out if you click on the picture it will show the fullsize image
Greetings from Arizonas west coast Lake Havasu City on the Colorado river
tried posting a photo but i didn't like the way it was working image was too big and got cropped on the side so i'll just try this for now not to good with computers much happier with a wrench in my hand instead of a mouse...