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Recommendation - steel vintage frame with sport geometry that can take 32mm tires

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Recommendation - steel vintage frame with sport geometry that can take 32mm tires

Old 08-16-22, 02:34 PM
  #26  
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Originally Posted by smd4 View Post
The mid-1980s Centurion LeMans RS was considered a true sport-tourer at the time. Have no idea how large a tire it can take, though.
My daughter-in-laws Le Mans RS takes true 28s, but probably not 32s.
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Old 08-16-22, 02:50 PM
  #27  
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Get yourself a mid-1960s Cinelli. I have two and am running 32s on both with room to spare. I love 'em (both the Cinellis and the 32s). Could be tad spendy, though.

Many "racing" frames from the 60s or perhaps early 70s will do what you want very nicely. They were still evolving from when roads sucked, wheelbases were longer and frame angles a tad slacker, but they were meant to be raced. After that, race frames got shorter and steeper and roads got smoother and, at least in the USA, the criterium was king. Clearances got tighter and tires got narrower. 32s definitely need not apply.
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Old 08-16-22, 02:57 PM
  #28  
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I think checking for what kind of brakes the frames were built for is your best option. Campagnolo brakes had a clearance of 47 to 57mm when they came out in 68 or so (going by memory so don't quote me). About 10 years later they came out with a short reach brake version around 40 to 50mm. The Asian brakes were 39/49. So of course short reach brakes can't handle as wide a tire as regular reach brakes can do. So look for racing bikes designed for original Campy side pull brakes with a reach of 47 to 57mm and you should be golden.
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Old 08-16-22, 02:58 PM
  #29  
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I do not do much gravel, but my little experience convinced me that 32mm tires just are not wide enough, at least, for me. Even just going to 35mm tires make a difference, and IMO, are ok on easy gravel. For any more than a short amount of time on hard riding gravel, definitely in the minimum 40mm and wider area.
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Old 08-16-22, 03:10 PM
  #30  
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Originally Posted by williamskg6 View Post
I have considered learning to build wheels and do it myself, but when I start adding up all the tools needed, it doesn't take a long time before it doesn't really make a lot of sense financially. I think if I did that, it'd be because I want to learn (which I kind of do). As for brakes, my Sirrus' brake bridge is sooooo close to the wheel, I would probably be able to get away with some normal long reach calipers without issue. I may very well change my mind on the 650B conversion, since the vintage market where I live (Logan Utah) isn't particularly great.

If I can (barely) fit a 700x25 tire now, what would be your guess as to what size 650B tire I could fit in its place? The math suggests I could go as large as 45mm if the frame allowed the width, but I don't know if my math is right.
Best bet is to take careful measurements of your bike/frame. This archived blog post has a lot of good info on making a conversion. From that page- "The widest part of a 650x38B tire is located 320mm from the axle center..." I used a dowel in place of the axle and a string to find exactly where that point was on my forks and stays (adding a couple mm to the distance as I knew I wanted to run 42c tires..). There's further info in that post about the various other measurements to check for clearance, brake reach, etc.

Last edited by ehcoplex; 08-16-22 at 06:31 PM.
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Old 08-16-22, 05:42 PM
  #31  
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My 1980 Peugeot PKN-10 fits that description well. My son currently has 700Cx35mm tires (700Cx35 callout, more like 700Cx32 in practice) on it. (I can't even do full size 700Cx28s on my similar-vintage Bianchi. ) Picture is from about 3 years ago, when he could still cram both of my grandsons into the trailer. They are now 7 and 5 years old and don't fold up as compactly.

My old PKN-10, now my son's kiddie-puller, although the boys are getting big for the trailer now.
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Old 08-17-22, 11:07 AM
  #32  
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Originally Posted by noobinsf View Post
Midrange Univega road bikes from the early 80's are also worth a look...
80's UNIVEGA with Continental Tour Ride 27 1-1/4 (32-34mm). This bike has ALLOT of Light Gravel/Torn Up Asphalt millage. This is after its 3rd complete clean up and repaint. So many parts on this bike have been worn out and replaced the only thing truely UNIVEGA left is the frame... Ha

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Old 08-17-22, 12:54 PM
  #33  
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32c is generally pretty easy for most vintage bikes assuming they were not built around short reach brakes (39 to 49 mm).
https://waterfordbikes.com/w/tech-co...brake-dancing/

Of the various sports touring bikes I've built, my two favorites are likely my 70s Fuji Finest and '79 Trek 510; I am running 32c tires on the Fuji (but it could easily take 35c) and 35c tires on the Trek.

If you decide you need a wide tire for gravel riding, you should take a look at the drop bar vintage MTB page for some ideas:

Show Your Vintage MTB Drop Bar Conversions

You might want one of each, a classic sports touring bike and a vintage MTB, making this a N + 2 thread




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Old 08-17-22, 03:05 PM
  #34  
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Originally Posted by delbiker1 View Post
I do not do much gravel, but my little experience convinced me that 32mm tires just are not wide enough, at least, for me. Even just going to 35mm tires make a difference, and IMO, are ok on easy gravel. For any more than a short amount of time on hard riding gravel, definitely in the minimum 40mm and wider area.
i use 35mm on my fuji touring front wheel. the back still has 32mm, it would prolly accept 35mm too. the ride is very cadillac like vs my racing bike.
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Old 08-17-22, 03:49 PM
  #35  
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Originally Posted by Doug Fattic View Post
I think checking for what kind of brakes the frames were built for is your best option. Campagnolo brakes had a clearance of 47 to 57mm when they came out in 68 or so (going by memory so don't quote me). About 10 years later they came out with a short reach brake version around 40 to 50mm. The Asian brakes were 39/49. So of course short reach brakes can't handle as wide a tire as regular reach brakes can do. So look for racing bikes designed for original Campy side pull brakes with a reach of 47 to 57mm and you should be golden.
Those Nuovo Record caliper reach covered 57mm to 67mm.
My '71 Gitane Supercorsa came with sewups and Mafacs (which I swapped for Campy).
Gobs of clearance on mine. I could run 35s with fenders to boot.
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Old 08-17-22, 04:06 PM
  #36  
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Originally Posted by Piff View Post

edit: Some other possible options, but you'll have to do some of your own online research to double check that they will actually take 32mm tires:
1980's Specialized Sequoia 58cm Vintage Lugged Steel Frameset -... (craigslist.org)
That Sequioa would be my choice. If it were my size, I'd probably grab it. Should fit the OP's request handily. And, further down the road, it could handle a very nice 650b conversion if desired.
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Old 08-17-22, 04:07 PM
  #37  
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Holdsworth Special is mine.

but yano, lots of bikes fit the description from 70's -early 80's.
Especially those with centerpull Universal brakes.
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Old 08-19-22, 12:22 PM
  #38  
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For halfway between race and tour I'll take a Trek everytime. I've enjoyed every Trek in the "sports" catagory that I've owned. I would look for anything from 500 up, TX500/700 510 610 710 would be solid.

You would probably be looking at swapping out a 27" wheelset for a 700 but I haven't had an issue doing that.

I Try sticking to '84 and earlier, in '85 the chainstays get shorter. For me, no thanks. But if you want something that leans a little to the racier side of sport, that might be just what you're looking for. 👍
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