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Compact crankset question

Old 05-03-10, 02:34 PM
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scozim 
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Compact crankset question

I'm going to be overhauling my dad's 80's Vitus 979 frame in a month or so - don't worry pics will definitely be posted. He's going to be 70 in December and wants to go with a compact double crankset. I'm looking for recommendations and specific things to look out for. I think he'd prefer not to change the bottom bracket so do we have limitations with that.
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Old 05-03-10, 02:49 PM
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These would probably work with the existing bottom bracket.
https://www.jensonusa.com/store/produ...+Crankset.aspx
https://www.jensonusa.com/store/produ...+Crankset.aspx
EDIT: Just noticed that neither of these are available. I'm sure there are others out there though.

I would personally go with this one because it's a really good deal. Actually I just put one on my Gazelle. What's the reason for not wanting to change the BB?
https://www.jensonusa.com/store/produ...kset+W+Bb.aspx

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Old 05-03-10, 02:53 PM
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what kind of cranks does it have now? I am guessing Campi or some clone? but then again with most any '80s road crank set 39t is likely the limit anyway. unless you can get away with a 39/48 or something odds are pretty good you need a new crank and BB

however what about doing 39/48ish rings and using a 'junior' freewheel something like a 15-28?
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Old 05-03-10, 02:55 PM
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Originally Posted by darkmagus View Post
I would personally go with this one because it's a really good deal. Actually I just put one on my Gazelle. What's the reason for not wanting to change the BB?
https://www.jensonusa.com/store/produ...kset+W+Bb.aspx
No kidding with the BB included....what did I say in another thread about a modern drivetrain on a vintage frame? There's a start!

Would those chainrings work with 7sp?
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Old 05-03-10, 03:05 PM
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Originally Posted by Bianchigirll View Post
what kind of cranks does it have now? I am guessing Campi or some clone? but then again with most any '80s road crank set 39t is likely the limit anyway. unless you can get away with a 39/48 or something odds are pretty good you need a new crank and BB

however what about doing 39/48ish rings and using a 'junior' freewheel something like a 15-28?
He's got Campy everything on the bike - either Super Record or C-record. He's always been a Campy rider. The cranks are currently 144 bcd 52-42. Not sure on the freewheel but the low is either a 24 or 26 (he just hasn't looked too closely as he just got the bike back from my brother).

He's struggling with his conditioning a little and I think the compact double (he won't go triple) would keep his spirits up as he's riding by giving him some lower gears on the hills (which there are a lot of in his area). He'd also like to go as light as possible - but seeing as how the bike is already barely over 20 lbs I don't know that that will really make a difference.
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Old 05-03-10, 03:14 PM
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most likely Super Record. you will need a new BB the older Campi (pre '93?) had a different taper. personally I would use that slver Sugino from Jenson or something like it to keep the vintage look. unless he is riding with a group he may never notice *he he*
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Old 05-03-10, 03:30 PM
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I forgot about these...
https://www.velo-orange.com/sualcr.html
https://www.velo-orange.com/suxddocr48.html
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Old 05-03-10, 06:16 PM
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Actually, if you want to go with something that wouldn't get a second look on a group ride, check out the VO Grand Cru 110. You might have to wait a bit, but it's a good looking retro-style crankset.

Pete
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Old 05-03-10, 06:41 PM
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try it first with the current BB

https://cgi.ebay.com/Campagnolo-Veloc...item2a067dbaf2

works perfectly w/ 14-28 freewheel and Athena or Chorus RD

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Old 05-03-10, 11:24 PM
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Originally Posted by sced View Post
Wow, that's a really good price plus it keeps it all Campy. Very good option!

That Grand Cru looks good too though. Price and wait time may be the deciding factor.
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Old 05-04-10, 06:02 AM
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Originally Posted by darkmagus View Post
Wow, that's a really good price plus it keeps it all Campy. Very good option!

That Grand Cru looks good too though. Price and wait time may be the deciding factor.
BikeIsland has some ok prices on BBs (which include shipping), but you'll still want to shop around.

https://www.bikeisland.com/cgi-bin/BK...tom%20Brackets
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