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  1. jpromo

    OA bath question

    I would recommend removing all mounting screws and essentially disassembling the frame 100% to individual pieces. Water will get into the threads and won't dry out if it is assembled, then just rust away. Frankly, what I can see of the paint wouldn't even be an OA bath candidate in my book. As...
  2. jpromo

    Hawthorne one owner

    Hot dog, that's a beaut!
  3. jpromo

    1899 Columbia chainless Mod. 59

    This was a thought I had as well. There is a large, old tap set at my work I'm going to check tomorrow and if not, I will likely be in touch. Thanks!
  4. jpromo

    1899 Columbia chainless Mod. 59

    So the axle nuts I need are 5/16-28...does anybody have any suitable nuts in this size?
  5. jpromo

    1899 Columbia chainless Mod. 59

    Unlaced my original. Hunting?
  6. jpromo

    1899 Columbia chainless Mod. 59

    And the finished bicycle (sans front wheel nuts because I don't have a single 5/16-32 and neither does my LHS). So of course I can't ride it yet for the silliest reason.
  7. jpromo

    1899 Columbia chainless Mod. 59

    Completed wheels. 306mm Sapim race DB spokes and Panaracer GravelKing tires. Very pleased. Good thing, too, because y'all know the dough that goes into these wheelsets.
  8. jpromo

    Perfect Patina Matches

    Oh man, I am looking for a blue Zep light (and rack) for my twin as well. I have a minty black on there as a placeholder if anybody knows of a blue one.
  9. jpromo

    1899 Columbia chainless Mod. 59

    Alright, after a bit of hem-hawing, trying to find an original 28h hoop, and ultimately ordering some from Stutzman, we're back to working on the chainless. Stutzman aluminum lined 700c. Beautiful as always. Now to make them look old. Yes, yes. Now this gave me the perfect opportunity to use...
  10. jpromo

    It's 2020, what 700c tires are y'all using?

    I just ordered up a pair of Gravel Kings, but I would like to throw one more style on here I may have gone with had they been in stock. Teravail Rampart 700x38c
  11. jpromo

    1938 Schwinn Excelsior Ladies Blue & Turquoise

    This isn't even to the point of needing an oxy bath. That is for bikes that have more rust showing through than paint color and this is not that. A little love and polish and this will look great.
  12. jpromo

    It's 2020, what 700c tires are y'all using?

    Wow, thanks for the excellent reply! I do like those Gravel King and Barlow Pass is nice with the small logo. Really all of these are solid options depending on the bike and the look you want.
  13. jpromo

    It's 2020, what 700c tires are y'all using?

    The old standbys are out of production, so what do you like these days for TOC bikes? I feel like teens-20s still have suitable options but the TOC bikes are more picky with what shoes they wear to look their age. I was planning to get singletube hoops and Robert Deans for my Columbia...
  14. jpromo

    Found found

    Here is mine. They're cool bikes you don't see every day. I just sold both 50s Schwinns I owned and kept the Columbia because I preferred riding it.
  15. jpromo

    Found found

    If that is your bike, that is the correct rack. If that is just a reference image, then ignore my comment and carry on.
  16. jpromo

    What year Hawthorne?

    Since it's been repainted, I'd just sand the paint off over the serial. Looks like an HP Snyder build and the serials around this era can be decoded easily. Looks like early postwar.
  17. jpromo

    1941 crown but a major problem :(

    Woof--looks like somebody failed a river jump and just left it nose down. I'd start with cutting the top nut with a dremel. I'd be surprised if you don't have to cut the stem though. She's crusty.
  18. jpromo

    1899 Columbia chainless Mod. 59

    I posted in the wanted listings, but I will mention here that I am looking for a solid, usable, 28 hole 28" wood hoop. The 36h rear was good but of course the uncommon 28h front was blown up. I will be getting some Deans for this and the end goal is a rider. I may still end up getting Stutzman...
  19. jpromo

    1899 Columbia chainless Mod. 59

    I got a little lucky with the radius and the length being perfect!
  20. jpromo

    1899 Columbia chainless Mod. 59

    Unfortunately found one specialty piece missing--the expander to lock the seat post. Hey, I know where I can find a wedge piece that should work. From some Musselman guts I had laying around. Oh shoot, but the piece also needs to perfectly match the seatpost radius. Heh, sometimes you...
  21. jpromo

    1941-42 Schwinn New World

    That is a seriously cool ornament!
  22. jpromo

    1941-42 Schwinn New World

    Let me know length and I will send you old cadmium spokes for the cost of shipping. I have all varieties of 26" takeoffs and I can't imagine I don't have the correct size.
  23. jpromo

    1941-42 Schwinn New World

    Just saw that you bought it on the Cabe. No intention to throw shade at anybody if they did buy it for the two-speed (though, it could have been gone for 30+ years at this point) :cool: I got my only DD kit from a New World and now it is on my Hawthorne 5-bar.
  24. jpromo

    1941-42 Schwinn New World

    Nice bike! I've had a couple of these early New Worlds (still have a Maroon '41) and I love the way they ride. The forks on them seem to really absorb the road. A collector may have had it in the past and harvested the DD setup sans the shell. These shells bring some coin themselves because most...
  25. jpromo

    Balloon fender ID help

    Hey all, I've had these fenders going on forever and was wondering if anybody knew what they were for? They have distinct braces, the way they box in, so hopefully that can give some direction. Thanks for any help.
  26. jpromo

    1899 Columbia chainless Mod. 59

    Ahhhh, yes, it seems so obvious now! Thank you.
  27. jpromo

    1899 Columbia chainless Mod. 59

    Headbadge courtesy of @catfish. A slight improvement over what came with the bike.
  28. jpromo

    1899 Columbia chainless Mod. 59

    Bars and fork installed. Crank fully greased and reassembled. Spins smooth as silk.
  29. jpromo

    1899 Columbia chainless Mod. 59

    Thanks! Judging by the spinning direction and logic, standard would have been my guess. The issue with removing from the back is that you still won't be able to fully disassemble it as the driveshaft can slide out the back, but not out the front. Without a rear wheel on, I could not hold the...
  30. jpromo

    1899 Columbia chainless Mod. 59

    The plan was every nut and bolt, but the driveshaft was cranked on and I could not find any documentation denoting the thread orientation, so I didn't want to fight it and risk breaking a bevel tooth. Is the square nut inside the crank standard or reverse threaded?!
  31. jpromo

    1899 Columbia chainless Mod. 59

    That is so beautiful. I think I just missed one of the tool sets for sale right after I bought the bike.
  32. jpromo

    1899 Columbia chainless Mod. 59

    Removing the crank cover was fun. First of all, I wasn't confident of the thread orientation. Second, it was tight and likely never removed. I started using a punch but quickly realized that was a no-no as it was ovaling the pin-holes. Here's the tool I made of scrap wood, random seat post, and...
  33. jpromo

    1899 Columbia chainless Mod. 59

    So I have had this project for 5 years and finally got the space to set up my workshop again. It was originally purchased by an out-of-state member here and I picked it up to ship as it was local to me. I offhandedly mentioned my interest in it, he later came back and said something came up and...
  34. jpromo

    Thoughts on straightening J-hook spokes to straight-pull?

    Agreed, and I would 100% be using stainless but the bike wears its original, worn finish everywhere else and shiny spokes would stick out like a sore thumb.
  35. jpromo

    Thoughts on straightening J-hook spokes to straight-pull?

    I would be curious to see this if you get a chance!
  36. jpromo

    Please in need of help with ID of this stem

    That's a Torrington aluminum stem. The other style, with the deco casting, is more recognizable, but this one was available too. It would not have been factory on a Schwinn, but it was a period accessory.
  37. jpromo

    Thoughts on straightening J-hook spokes to straight-pull?

    Modern straight-pull spokes are available but the only option is stainless steel and that won't fit the look.
  38. jpromo

    Thoughts on straightening J-hook spokes to straight-pull?

    I want to make a rideable wheelset for my Columbia porcupine hubs by straightening out the j-hook on either new or vintage spokes. Has anybody done this? Any issues with breakage? The original spokes I have would be better served for a non-rider.
  39. jpromo

    Rideable 28" 28 hole wood rim

    I'm not 100% sure I'm going to go this direction, but I thought I'd put the feelers out before contacting Noah Stutzman. Looking for a usable, straight, hoop only to outfit a 1899 Columbia.
  40. jpromo

    Was this 55 Corvette really Opal red?

    I use #0000 steel wool and Mother's chrome polish. The Schwinn chrome in this era wasn't far behind auto quality, so it should come back sparkling with some work. Cleaning and repacking bearings is the best thing you can do to bring a bike back to life. Once you get the hang of how tight to set...
  41. jpromo

    Was this 55 Corvette really Opal red?

    Vinyl seat but it was only a first year, 1955 Corvette only seat. Impossible to find when you need one. Serials in mid-late 50s were a disaster.
  42. jpromo

    1939 Schwinn Paramount

    This is a beauty. The handbuilt Schwinns are just mmm.
  43. jpromo

    1955 Shelby Golden Eagle

    I like how Shelby got around Schwinn's cantilever patent by making a frame look like a canti, but it isn't.
  44. jpromo

    1899 Columbia chainless disassembly help

    Well it is not budging and I don't plan on breaking anything on a 1-year only, 120 year old bicycle. The shaft spins smooth and the adjustment felt good when it was assembled--would oil bath be sufficient lubrication for these bearings? Reading the manual, it almost sounds like that's how it was...
  45. jpromo

    1899 Columbia chainless disassembly help

    I thought the same--reverse threading wouldn't seem correct considering the direction everything would be spinning. I will give it the old college try and report.
  46. jpromo

    1899 Columbia chainless disassembly help

    I scoured this thread when I first started and it helped a lot, but it doesn't answer the question I have regarding driveshaft removal. It's a fantastic resource though. I will shoot him my question via PM. Edit: Oh it's you! My question is about the thread orientation on the square nut inside...
  47. jpromo

    Rollfast bike year and evaluation

    Rollfast serials for this era are the year reversed. 14=1941. I have a '41 with all the same parts including the 1/2" chainring. Too bad the front fender was replaced. I always love the reverse paint scheme.
  48. jpromo

    1899 Columbia chainless disassembly help

    I'm working on overhauling a Model 59 and I figured out how to disassemble most of it... I am down to the driveshaft bolt (square nut inside of bottom bracket). Does anybody recall the thread orientation on this nut? Better yet, I've seen some talk about a PDF of the full service book floating...
  49. jpromo

    Need help with a 1899 Columbia shaft drive

    Sorry to resurrect an ancient thread, but it is in line with the topic. I am in the middle of a teardown/resurrection of my 1899 right now and I was wondering if anybody can recall the thread orientation of the driveshaft itself? I am looking to take the square nut inside the bottom bracket off...
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