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Crusty Allegro

Old 01-12-21, 01:26 PM
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JBCIII
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Crusty Allegro

I had an Allegro Special that was my first road bike at 12 yrs old. A family bike that got passed from uncle to dad then me. I’ve always had a soft spot for them. When I saw this one available in my size, I had to have it.
Not typically I bike I would buy—as you can see it’s been neglected, pretty badly. It appears to be all original though I haven’t had it apart yet.
I have had the axle nuts off and the rear is stamped 58, front 59. This will be a PROJECT.








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Old 01-12-21, 01:34 PM
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nlerner
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That's pretty awesome!
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Old 01-12-21, 01:39 PM
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What is not to like!? Really like the fork bend at the bottom! Nice lugs too.
Plans?
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Old 01-12-21, 01:44 PM
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Originally Posted by nlerner View Post
That's pretty awesome!
Thanks a bunch.
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Old 01-12-21, 01:49 PM
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Wow complete with a Campangolo Gran Sport derailleur. That is sure to be a cool project.
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Old 01-12-21, 01:51 PM
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Keep as much original stuff on it as possible. But, I want it to be reliable. Reading a few threads on some of the other similar era Allegro builds here, as noted, and from my experience on the first on—those bar end shifters are ‘difficult’.
As far as configuration I’d really like an upright handlebar. Similar to this....
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Old 01-12-21, 06:51 PM
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Very nice.
Complete with the clamp-on cable ends, tire scrapers, and the old style Stronglight dust caps!
Does it have the domed Stronglight crank bolts also?

Perhaps @juvela will be able to tell us who made the tire scrapers. I don't think I've seen others like them.
I'm envious of your original seat binder nut. Please let me know what size wrench fits on it: Maybe I can find some metric hex stock of the correct size and have one of those nuts machined from it.
Brent
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Old 01-12-21, 07:16 PM
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Congratulations! It looks like a cool project.

I was looking at a couple Allegro's recently and compiled some dates vs. serial numbers based on different posts on BF. Someone had S/N 154152 an had it as a 56/57. With yours being a few off, it may be older than you've dated it.
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Old 01-12-21, 08:22 PM
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Originally Posted by SwimmerMike View Post
Congratulations! It looks like a cool project.

I was looking at a couple Allegro's recently and compiled some dates vs. serial numbers based on different posts on BF. Someone had S/N 154152 an had it as a 56/57. With yours being a few off, it may be older than you've dated it.
I owned the Allegro S/N 154152 back in Nov.2009. At that time I dated it as a 1958. I later sold it to Craig Griffith. The rider pictured on the seat tube of that Allegro was a Swiss cycling champion. In addition the date on the 3- piece Campy hubs was CAM 58.
Beginning in 1959 and ending in 1961 the rider pictured on some Allegros was changed to Bobby Kemp, an American rider.
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Old 01-12-21, 08:27 PM
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That's got loads of potential, but yes it WILL be a project. Bound to pay off though so have at it! Only problem with that style of bar is you won't want to use the barcons, and this frame was meant to have them (or something other than DT shifters), maybe stem shifters? I can't see that but it's not MY project. I would suggest if you do keep drop bars and barcons use something other than Campy: SunTour, Simplex, Shimano may not be "correct" but all shift better than Campy (in this case). I also don't recognize the tire scapers...it all looks really cool, nice score!
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Old 01-12-21, 08:39 PM
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Extra -cool!
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Old 01-12-21, 09:02 PM
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Originally Posted by obrentharris View Post
Very nice.
Complete with the clamp-on cable ends, tire scrapers, and the old style Stronglight dust caps!
Does it have the domed Stronglight crank bolts also?

Perhaps @juvela will be able to tell us who made the tire scrapers. I don't think I've seen others like them.
I'm envious of your original seat binder nut. Please let me know what size wrench fits on it: Maybe I can find some metric hex stock of the correct size and have one of those nuts machined from it.
Brent
the binder nut takes a 12mm, it’s 24.5mm long.
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Old 01-12-21, 09:10 PM
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Originally Posted by JBCIII View Post
the binder nut takes a 12mm, it’s 24.5mm long.
Thanks!
Brent
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Old 01-12-21, 09:12 PM
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unworthy1 After the pics I took today I was checking it over and noticed the right side of the handlebar is bent down a bit just beyond the stem.
I’m 6’2” and that seat height is approximately where I’ll be, with the bent bar observation I think an upright “speedy” style of bar would work for me. And, actually, yeah I would love a pair of stem shifter’s with said bar. I’ve never seen a Campy stem mount. With hope someone can shed some light on such a mount.
Thanks all for the positive comments👍🏻
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Old 01-12-21, 09:18 PM
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Originally Posted by JBCIII View Post
Keep as much original stuff on it as possible. But, I want it to be reliable. Reading a few threads on some of the other similar era Allegro builds here, as noted, and from my experience on the first on—those bar end shifters are ‘difficult’.
As far as configuration I’d really like an upright handlebar. Similar to this....
velo orange postino bars would be ber similar fun project
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Old 01-12-21, 09:40 PM
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Originally Posted by JBCIII View Post
unworthy1 After the pics I took today I was checking it over and noticed the right side of the handlebar is bent down a bit just beyond the stem.
I’m 6’2” and that seat height is approximately where I’ll be, with the bent bar observation I think an upright “speedy” style of bar would work for me. And, actually, yeah I would love a pair of stem shifter’s with said bar. I’ve never seen a Campy stem mount. With hope someone can shed some light on such a mount.
Thanks all for the positive comments👍🏻
Here is the very crude version that came with my Carlton project.



The home made aluminum shim was so thick that the Campag clamp could not properly tighten it, so it slid around a bit. Your best bet might be shifter braze-ons mounted to the stem.

Brent
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Old 01-12-21, 09:49 PM
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Why not just use MTB shifters?
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Old 01-12-21, 09:59 PM
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squirtdad I looked at them, they’re 25.4. This stem is 25.....French Lol
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Old 01-13-21, 07:43 AM
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Originally Posted by krakhaus View Post
Why not just use MTB shifters?
Well, I feel pretty safe concluding this is a ‘59 model bike. I’d kinda like to keep with the spirit of the bike.
So try for something that’s older looking, you know?
I have been looking at modern stem mount kits from V/O, IRD, Rivendell just to see what’s out there.
I may experiment with a mash-up of Japanese mount w/Campy levers. We’ll see.
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Old 01-13-21, 07:51 AM
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Originally Posted by obrentharris View Post
Here is the very crude version that came with my Carlton project.



The home made aluminum shim was so thick that the Campag clamp could not properly tighten it, so it slid around a bit. Your best bet might be shifter braze-ons mounted to the stem.

Brent
That’s a curious one! The builder had housing stops in there too?
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Old 01-13-21, 08:54 AM
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Cool bike, I love my Allegro.
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Old 01-13-21, 09:18 AM
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Originally Posted by JBCIII View Post
That’s a curious one! The builder had housing stops in there too?
The housing stops are part of the older Campag shifter clamp.
Brent
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Old 01-13-21, 01:52 PM
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I love my '74 Allegro. This one is lovely, and I am already adding your bike to the Allegro database I've been assembling for a while - what size is this one?

EDIT: Interesting. This one, sn 154188 appears to be identically equipped to rhm's green Allegro no. 165167, down to having hub locknuts dated '58 and '59. Same graphics, too. That's a pretty big gap between serial numbers, too. And they're both before the switch over to Bocama model 14 type II lugs, too.

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Old 01-13-21, 06:32 PM
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rustystrings61 how did Allegro record their sizing?
I measure 59.5 C-T, 58.5 C-C seat tube.
59.5 top tube.
Cool data base you got going there!!
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Old 01-15-21, 08:53 AM
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Originally Posted by JBCIII View Post
rustystrings61 how did Allegro record their sizing?
I measure 59.5 C-T, 58.5 C-C seat tube.
59.5 top tube.
Cool data base you got going there!!
Here is a link to a collection of catalogs - it looks like they did even cm measurements, but catalogs and reality frequently diverge. Mine, no. 241247, is 60 cm to top with a 59 cm top tube (which requires me to run a 9 cm stem instead of my usual 10).

No matter what, you want this bike up and running. Even with questionable entry level Normandy Sport/Weinmann 27-in rims and IRC clinchers, there is something magical about the ride of my Allegro. It just has this smooth gliding quality that is hard to describe. The bike just WORKS.
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