Steve wrote:
> My 4th ed. Sutherland's manual (1985) gives a max freewheel sprocket of
> 28 teeth for both models of Shimano 600 short-cage derailleurs. Sloan's
> book says the same thing.
>
> Note that the "capacity" (difference between largest & smallest
> chainrings plus the difference between the largest & smallest freewheel
> sprockets is also given as 28 teeth in Sutherland's manual.
I have been using a Shimano 600 short-cage derailleur on my tandem for over 20 years with a capacity of 30 teeth and it works perfectly, even handling small/small and large/large without any hesitation.
--
Steven Maasland
Moorestown, NJ