How about a quadruple front chainwheel set-up so it could be 840.
Then you would maybe have only about 750 duplications and a room reserved
with straight-jacket after trying to shift through the gears in sequence.
What fun!
Ted Ernst
Palos Verdes Estates,CA
<classicrendezvous@bikelist.org> Sent: Monday, May 23, 2005 8:54 AM Subject: Re: [CR]Could a 14 speed SOM be integrated with vintage lightweight freewheel clusters?
> Don Wilson queried:
>
>>First, what is the correct formula for figuring the
>>total number of gear choices one would have with a 14
>>speed SOM with a 5 speed free wheel and a three ring
>>crank?
>
> Multiply. 14 X 5 X 3 = 210
>
> Not sure what you mean by "SOM" but I'm guessing you're speaking of the
> off-topic Rohloff Speedhub. See: http://harriscyclery.com/
>
>>Second, could one integrate an old free wheel cluster
>>and derailleur with a 14 speed SOM (I've seen old free
>>wheel clusters integrated with old Sturmey Archer
>>three speed hubs and a Huret Allvit derailleur in the
>>past)?
>
> I've put 3, 4, 5, 6 & 7 sprocket setups on Sturmey-Archer hubs.
>
> See: http://sheldonbrown.org/
> because the axle is not long enough to clear the extra sprockets. The
> Rohloff axle is a very special part, not readily duplicated in a different
> length.
>>
>>Third (and flagrantly off list), could any of the
>>modern 10 speed clusters be integrated with the 14
>>speed SOM?
>
> No. Folks who seriously compete for the "most gears" title use a second
> multispeed hub as a jackshaft, usually mounted just below/behind the seat
> cluster.
>
> Don't forget the Schlumpf two-speed bottom bracket while you're at it!
>
> Sheldon "Nothing Exceeds Like Excess" Brown
> Newtonville, Massachusetts
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