Paul Hays <
[email protected]> wrote:
>On Mon, 7 Apr 2003 10:07:05 -0700, Garrison Hilliard wrote (in message
><
[email protected]>):
>
>>
>> Sheldon Brown <
[email protected]> wrote:
>>>> But Suntour was not consistent with their design so that they produced a variety of different
>>>> schemes and so one cannot necessarily replace on Suntour rear derailleur with another.
>>>
>>> Leaving out the ancient Trimec system, SunTours of the late '80s indexing era were
>>> interchangeble with the exception of the bottom of the line model, I believe it was called the
>>> Alpha 3000 (mighta been 2000).
>>>
>>> Sheldon "Was Indeed Speaking Of Modern Derailers" Brown
>>
>>
>> Right (of course), Sheldon... which means that the only real mismatch problem with Suntour rear
>> der.'s matching other Suntour rear der.'s would be making sure one has the same cage length. cage
>> length, but that's obvious.
>
>He asked about compatability between different manufacturers,
It's the same answer... the indexing and between-cog spacing is governed by the shift levers and has
nothing to do with the der. mechanism.
>>Yes... remember, the actual shifting and cog spacing is built into the levers
>and any decent rear der. will work fine.
>
>The amount of cable pull per click is built into each lever, and how far that cable pull will move
>the rear derailer is determined by the geometry of the derailer.
Hmmm... that simply isn't true with a slant parrallelogram design.
>This geometery varies from manufacturer to manufacturer. An 8 speed suntour shifter will not work
>well with a shimano derailer/8 speed cluster without doing hinky cable attachment tricks.
That hasn't been my experience.