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Looking for a Legnano Seatpost Binder Bolt...

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Looking for a Legnano Seatpost Binder Bolt...

Old 07-21-12, 08:48 PM
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minahanna
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Looking for a Legnano Seatpost Binder Bolt...

Greetings Everyone,

I am looking for a Legnano seatpost binder bolt. I think it's a 1970's Legnano model.
If anyone has an extra bolt, I would gladly buy it. I have been looking on ebay for awhile now, and no luck there.
Any help regarding that specific bolt would be great.

Thanks Guys,
Mina
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Old 07-21-12, 09:12 PM
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There's two types of bolts used on these frames. And they are not interchangeble. You can tell which your frame uses by if there is a slot cut in the front of the seat-tube just under the top-tube.

With the slot it takes the one-piece bolt and nut style. No slot it takes the "wedge and stud" style. There's photos of each on the web if you search for them.
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Old 07-22-12, 09:51 AM
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I once made one by filing a cupped groove in a standard seatpost bolt for the seatpost to pass through. Worked fine. I'm afraid I'll need to do it again soon for another Legnano frame...

I've never come across one loose, but its prolly out there somewheres.
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Old 08-08-12, 05:15 PM
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Thank You Otis for your insight regarding the seat-post bolt.

I provided two photos showing the details of the seat-tube and the top-tube. I wanted to confirm with you, because there isn't a slot then it's the "wedge and stude" style. Correct?

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Old 08-08-12, 05:17 PM
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Thank you dbakl for the tip, will try to do it, because it has been extremely hard to find a seat-post binder by itself.
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Old 08-08-12, 05:31 PM
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I think you will need something similar to what was discussed in this recent thread:
https://www.bikeforums.net/showthread...ghlight=Comete

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Old 08-08-12, 06:35 PM
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Originally Posted by minahanna View Post
Thank You Otis for your insight regarding the seat-post bolt.

I provided two photos showing the details of the seat-tube and the top-tube. I wanted to confirm with you, because there isn't a slot then it's the "wedge and stude" style. Correct?

Yes, in my experiance you would need the wedge type. But they are expensive and hard to find (as is the other type) so you would probably be better off trying to make something that will work.
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Old 08-08-12, 07:32 PM
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There's a BF member that had several for sale on ebay a few years ago. I have no idea if he has a stash of them, and don't recall his name. Who knows - you might even be able to find out with a search.
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Old 08-08-12, 07:49 PM
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Originally Posted by Ex Pres View Post
There's a BF member that had several for sale on ebay a few years ago. I have no idea if he has a stash of them, and don't recall his name. Who knows - you might even be able to find out with a search.
That may have been me. I had a small stash of NOS binders but they were the other type used on the Roma's and higher end models, not the type the OP needs.
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Old 08-08-12, 08:15 PM
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Search through McMaster-Carr. They have many kinds of nuts and bolts. I just got my first shipment from them this morning. I'm satisfied. What a great company for nuts-and-bolts geeks like me!
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Old 08-09-12, 02:06 AM
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I would think that a normal 8mm or 5/16" hex bolt and hex nut would work perfectly with a 3/8" long spacer sleeve at each end of the bolt to match the hole size in the frame and also to grip the post.

If you don't want any little dings in your seatpost then these sleeves would benefit from some shaping on the gripping end, but would actually work as is.

I am guessing as to the inside diameter of the frame's bolt bore, but looks like 10 or 12mm to me, to be the outside diameter of the spacer sleeves.

Coincidentally, today I bought a red, 60cm Roma model from the 1960's. I'll take some "before" pictures before I start work on it.
I've always wanted a Legnano, but never came across one before in my size. I had to drive for hours in intense heat with no AC. Can you say "thirsty".

Last edited by dddd; 08-09-12 at 02:10 AM.
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