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Old 07-02-22, 05:16 PM
  #11  
jdawginsc 
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Bikes: '87 Crestdale, '87 Basso Gap, '92 Rossin Performance EL-OS, 1990 VanTuyl, 1980s Losa, 1985 Trek 670, 1982 AD SLE, 1987 PX10, etc...

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Originally Posted by pjw77
After a little careful measuring, I think the rear dropout spacing is 120mm, not 126. (The wheel with the 7-speed freewheel did go in, but it didn't just slide right in, it needed some help.)
Firstly, I am assuming restoration means keeping the same wheels and rear dropout spacing. If you wanted to respace and get new hubs/wheels, the options open up considerably.

I think you can get an ultra 6 on there (120 spacing hub), and keep the existing hub. Might need a different wheel-set to go 7 speed, but since you are restoring, might as well find an ultra 6 (I assume the hubs are Maillard?), though finding them unworn and wider range is often tough.

Far as I know, the only Ultra 6s are the SunTour versions, Atom 77 Compact, and Regina BX-6 (I think that is the 120 mm hub version). @pastorbobnlnh will know better.

If you are not wanting to spend the $60-80 to get an Ultra 6, having 5 speeds is okay too!

Suntour Cyclone FDs are relatively easy to come by.
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