Go Back  Bike Forums > Bike Forums > Classic & Vintage
Reload this Page >

Campy bottom bracket...

Classic & Vintage This forum is to discuss the many aspects of classic and vintage bicycles, including musclebikes, lightweights, middleweights, hi-wheelers, bone-shakers, safety bikes and much more.

Campy bottom bracket...

Old 05-23-20, 07:30 PM
Senior Member
Thread Starter
67tony's Avatar
Join Date: Feb 2012
Location: Williamsburg, VA Sebastian, FL
Posts: 1,107

Bikes: 1987 Centurion Ironman Master, 1992 Koga Miyata Exerciser, 1992 Schwinn Crosscut

Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
Quoted: 131 Post(s)
Likes: 0
Liked 63 Times in 34 Posts
Campy bottom bracket...

Not too familiar with the venerable Italian company, so I'm wondering what I've got here. Also, is there a secret trick is to removing it from the frame?
I assume a small pin spanner, which of course I don't have, but my fussing with an awl and an allen wrench yielded no results.

Last edited by 67tony; 05-23-20 at 07:36 PM.
67tony is offline  
Old 05-23-20, 07:37 PM
Disciple of St. Tullio
Choke's Avatar
Join Date: Jul 2008
Location: State of Jefferson
Posts: 560

Bikes: Ciöcc, Bianchi, DeRosa, Eddy Merckx, Frejus, Hampsten, Kondor, Losa, Magni, Pegoretti, Pelizzoli, Pogliaghi, Scapin

Mentioned: 20 Post(s)
Tagged: 0 Thread(s)
Quoted: 164 Post(s)
Liked 58 Times in 38 Posts
That's a one key release and all you need is an allen wrench. Loosen it in the normal direction and the crank will come off the spindle.

Edited to add: The part with the small holes is threaded into the crankarm and holds the bolt in place. There is no need to mess with it unless the bolt is broken.
Choke is offline  
Old 05-23-20, 08:32 PM
Senior Member
SurferRosa's Avatar
Join Date: Dec 2018
Posts: 2,056

Bikes: old school 531c & campy

Mentioned: 41 Post(s)
Tagged: 0 Thread(s)
Quoted: 884 Post(s)
Liked 560 Times in 340 Posts
C-Record had the visible 4-arm spider with the 5th behind the crank arm.

"41" = 1988

"It's very nice." -Borat


Last edited by SurferRosa; 05-23-20 at 08:53 PM.
SurferRosa is online now  
Old 05-23-20, 09:30 PM
Senior Member
Join Date: Mar 2008
Posts: 105
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 18 Post(s)
Likes: 0
Liked 2 Times in 2 Posts
Self-extractor bolts.

You'll need a 7mm key though,
Anything else will either not fit or ruin the bolt head.
Mackers is offline  
Old 05-24-20, 06:52 AM
Old fart
JohnDThompson's Avatar
Join Date: Nov 2004
Location: Appleton WI
Posts: 21,293

Bikes: Several, mostly not name brands.

Mentioned: 125 Post(s)
Tagged: 0 Thread(s)
Quoted: 2076 Post(s)
Liked 428 Times in 303 Posts
Yes, a 7mm Allen key will remove the crank. The pins are for the retaining ring for the self-extractor system. No need to mess with them unless you need to replace the self-extractor. Unlike Shimano's similar "One Key Release" self-extractor system, Campagnolo's self-extractors were installed with a left-hand thread. That means if the self-extractor mechanism becomes damaged or missing, you will need a left-hand thread crank tool to remove the arm. Yes, they did make them, and yes, you will pay dearly for one if you damage the self-extractor mechanism. So, use the proper 7mm key.

Last edited by JohnDThompson; 05-24-20 at 06:56 AM.
JohnDThompson is offline  
Old 05-24-20, 07:22 AM
Spaghetti Legs 
Senior Member
Join Date: Dec 2014
Location: Central Virginia
Posts: 3,701

Bikes: Numerous

Mentioned: 83 Post(s)
Tagged: 0 Thread(s)
Quoted: 1027 Post(s)
Likes: 0
Liked 293 Times in 154 Posts
2nd generation C Record crank. It will require a 111 mm BB spindle, if it needs to be replaced. I am the Virginia representative of the Campy Hoarders Association, so once the crank is removed, it should be sent to me for inspection, quarantine, and test fitting. Please note I have quite a backlog, because after all, I am a hoarder.
N = '96 Colnago C40, '04 Wilier Alpe D'Huez, '10 Colnago EPS, '85 Merckx Pro, '89 Merckx Century, '85 Moser, '86 Tommasini Professional, '04 Teschner Aero FX Pro, '05 Alan Carbon Cross, '86 De Rosa Professional, '82 Colnago Super, '95 Gios Compact Pro, '95 Carrera Zeus, '84 Basso Gap, ‘89 Cinelli Supercorsa, ‘83 Bianchi Specialissima, ‘85 Pinarello Record
Spaghetti Legs is offline  
Old 05-24-20, 07:28 AM
Senior Member
Narhay's Avatar
Join Date: Sep 2012
Location: Toronto, ON, Canada
Posts: 3,002
Mentioned: 95 Post(s)
Tagged: 0 Thread(s)
Quoted: 669 Post(s)
Likes: 0
Liked 107 Times in 67 Posts
7mm allen keys can be hard to find but the 7mm allen bits are in almost every ratchet set.
Narhay is offline  
Old 05-24-20, 08:50 AM
Senior Member
Join Date: Jun 2006
Posts: 14,318
Mentioned: 91 Post(s)
Tagged: 0 Thread(s)
Quoted: 1312 Post(s)
Liked 283 Times in 229 Posts
Note this one has the scratches that come from over shifting. Why I did not like this crank when it was introduced, the chain drops all the way to the pedal axle. Dismount to reset.

wave goodbye to the pack, time to chase.

Styling wise it did set a trend.
i did end up with one, date code 1984
repechage is offline  
Old 05-24-20, 09:22 AM
Senior Member
gearbasher's Avatar
Join Date: May 2009
Location: Sitting on my butt in front of a computer
Posts: 909
Mentioned: 14 Post(s)
Tagged: 0 Thread(s)
Quoted: 187 Post(s)
Liked 57 Times in 36 Posts
I had two of these crank sets. I hated the self-extractors. So, I bought the pin tool and the left-hand threaded crank puller. I removed the self-extractors and used this type crank bolt.
gearbasher is offline  
Old 05-24-20, 06:07 PM
Senior Member
Thread Starter
67tony's Avatar
Join Date: Feb 2012
Location: Williamsburg, VA Sebastian, FL
Posts: 1,107

Bikes: 1987 Centurion Ironman Master, 1992 Koga Miyata Exerciser, 1992 Schwinn Crosscut

Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
Quoted: 131 Post(s)
Likes: 0
Liked 63 Times in 34 Posts
Got the crankset off...just had to add a cheater on the end of my 7mm allen key.
Thanks for the ID and removal advice!

Interestingly, the crankset was on an obscure Dutch bike, a Jan Janssen Vuelto 300EX. Driving by a goodwill, and saw a boatload of bikes out front, apparently it was their opening day. It was total frankenbike, but in addition to the Campy crank it had a nice chrome Colnago Export fork, and a decent Wolber GTA-2 wheel set.

67tony is offline  
Likes For 67tony:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information

Copyright © 2018 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.