Hello! Thanks for reading

I got these Nuovo record break callipers today but the front one is incredibly short, maybe it has been cut off by previous owner?

Anyway, does anyone know if it is supposed to be like this? In the last image you can see that the screw also does not fit with the hole in the forks.

It’s an Italian racing frame which had Nuovo records before.

by 900108

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10 Comments

  1. I’m not specifically familiar with this sidepull brake but of that vintage they are not that specialised in design and fitting.

    The hole in the forks is not threaded and normally takes a through bolt on which the brake calliper is mounted. On touring bikes this bolt would also be used to mount the mudguards (fenders : US English) and sometimes a front rack for luggage.

    It looks like your bolt has sheared. You need to get a replacement. You will likely find a spare for another vintage brake will fit and suffice.

  2. It’s a Columbus racing bike from the 70s by MAZA (mattioli and Zanasi) and the nuovo record / super record campagnolo breaks.

  3. ReallyFineWhine on

    Short bolt is for the rear, but that one looks especially short. The nut has to fit into the hole, so this one will only work on a frame that has been drilled for this type of mounting.

    EDIT: this setup is for a specific type of brake bridge on the rear. The short tube between the seat stays is the bridge. Many bikes just have a round tube with a hole drilled through. The brake caliper for that will have a short bolt (not as short as yours) with a pair of cups that fit the curve of the brake bridge tube. Yours, with the especially short bolt, is made for a particular design of brake bridge which has a “box” in the middle of the brake bridge; the since the box has flt side sides you don’t need the cups. The hole in the box facing the rear of the bike is drilled for the diameter of the bolt, while the hole facing the front of the box is larger to fit the nut that you’re holding in picture #3. The bolt can be very short because the nut fits into that larger hole.

  4. My long bolt doesn’t fit on the forks as they are too short, but they fit perfectly on the rear.

    I mounted the short bolt brakes to the front with the nut on the inside, so it’s only attached to the front side hole of the forks.

    Don’t understand why they wouldn’t fit as the bike frame used to have nuovo record groupset

  5. a-desert-human on

    This brake is the back brake, it normally has a shorter stud as it only needs to reach through the seat stay bridge, not the fork crown. If the recessed nut does not fit in the back hole of the fork crown then your frame is not designed for these brakes. It can be drilled out at your own risk, but I’m guessing you want to keep the frame in original condition. You need brakes which bolt all the way through with a standard nut on the other side, my guess is you bought Nuovo Record that was from a few years later than what this bike originally had. They will have longer studs both front and back.

    You could also probably swap out the studs, but I’m guessing those would be harder to find than a different set of brakes.

  6. As mentioned by u/reallyfinewhine that bolt was cut down to fit the rear position of a frame meant to take recessed brake bolts.

    When recessed brake bolts became a thing in the late 70’s and early 80’s it was not uncommon to take standard brakes and swap the rear ( shorter standard bolt) to the front and swap out the old front scented bolt to a recessed rear or cut down a standard rear to make it short enough to work with the recessed nut. That’s what looks like occurred with this brake. Your solution is to find an original non recessed front pivot bolt and swap it in.

    I hate Fleabay… but something like this.

    https://www.ebay.com/itm/385359130546

    Edit: changes for clarity.

  7. I’ll be shot for saying this, but I have a 1972 Raleigh Professional that I drilled the back brake holes in the fork crown and rear bridge to accept recessed mounted brakes. Later, I put on some nutted brakes, which work fine, as they need a washer anyway. Now I’ve decided I could afford Campy brakes and they were Super Record (I think) with recessed brakes. I’m part of the history of this bike and I’m going to ride it, and it’ll have the brakes I want. It’s a great bike, but it’s not a museum piece. There are thousands of these. It belongs under my butt on the road where people can appreciate it, but it’s going to have brakes.

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