Spreading rear triangle

Spreading rear triangle

Post by M16.. » Fri, 20 Aug 1993 04:56:15


I just acquired an old Reynolds 531 frame with a 5 spd rear triangle spacing
Would it be safe to spread it for 8 speed; or should I spread it only to the
6/7 (narrow) speed spacing??


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Spreading rear triangle

Post by Kurt Krueg » Sun, 22 Aug 1993 23:45:56

Quote:

> I just acquired an old Reynolds 531 frame with a 5 spd rear triangle spacing
> Would it be safe to spread it for 8 speed; or should I spread it only to the
> 6/7 (narrow) speed spacing??

I called a bike shop on this once, and the repairman said that it is OK to
spread one size larger, but not two, unless the frame is realigned with
frame alignment tools.

--
Kurt R. Krueger
University of Nebraska at Omaha


 
 
 

Spreading rear triangle

Post by Geoffrey Ha » Tue, 24 Aug 1993 05:47:22

Quote:

>I just acquired an old Reynolds 531 frame with a 5 spd rear triangle spacing
>Would it be safe to spread it for 8 speed; or should I spread it only to the
>6/7 (narrow) speed spacing??



Spreading to either spacing is frequently done, and is acceptable.  But
don't just force the longer axle in and ride with the frame under stress.  
Have the frame realigned by a good shop.  531 will withstand this kind of
'cold setting' quite well, if done carefully enough that it does not
involve a lot of bending back and forth.  Very occasionally, the brazing
around one end of a brake bridge or chainstay bridge will crack, indicating
that it was not carefully fitted or not thoroughly brazed.

Geoff                               (My opinions expressed herein