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Old 03-06-14 | 10:18 AM
  #48  
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rhm
multimodal commuter
 
Joined: Nov 2006
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Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...

Originally Posted by crank_addict
The bike depicted has Weinmann 730 and 810. Is there a specific reason why the two model differences are used? Perhaps a better, stiffer grade alloy??
The numbers refer to the reach, rather than the material. It was fairly common for frames to require a longer reach rear brake, so you'll often see a 500 in front and a 730 rear; or a 730 front and an 810 rear. The reason for this is not clear to me; my best guess is it has something to do with horizontal dropouts in which the wheel can move relative to the brake (I know this theory is full of flaws, it's just the best I have).

In the present case, the longer reach front brake is contrary to my expectation and I'd say it's further evidence that the fork has been replaced. But I'm not sure about that. I don't know Cinellis! Note the following:

Originally Posted by Citoyen du Monde
As for the clearance given by the fork, I have seen both generous clearance and very tight clearance on Cinelli's so I don't believe that this can be considered overly relevant. Try verifying the levelness of the top tube. If the top tube points upwards towards the front, this would again point to a replaced fork.
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Last edited by rhm; 03-06-14 at 10:22 AM.
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