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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 06-13-05, 07:02 PM   #1
honduraz10
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fixed casette hub

alright well i saw this crazy old scwinn today that had a casette mounted solidly on the rear hub, no freewheel. The freewheel was in the cranks and delt with their engaging of the front chainrings. So could i use this hub on a fixie? I think itd be cool cuz then i could change gearing easily.
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Old 06-13-05, 07:38 PM   #2
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You probably could, but you'd be changing your chain length all the time. It might work best if you kept two chainrings up front.

Pics?
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Old 06-13-05, 07:46 PM   #3
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ill try and get some pics. Ive never heard of this freewheel setup before- has anyone?
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Old 06-13-05, 07:50 PM   #4
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You might try asking in the classic and vintage section - those guys know about all sorts of old bike stuff...
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Old 06-13-05, 08:27 PM   #5
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I have seen bikes with front freewheels, but I thought they had a rear freewheel too... Maybe I'm mistaken! I think the idea was that you could shift without turning the pedals, as long as the bike was moving (because the chain would keep moving, even though the crank arms would stop). I think it was a solution in search of a problem, so it was eventually given up on.

Could be a neat way to build up a fixie though.

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Old 06-13-05, 08:44 PM   #6
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Lots of trials bikes run this setup (freewheel at the crank, fixed cassette hub). I don't know exactly why, but maybe someone will chime in. You can get fixed cassette hubs from Woodman components. You're right--with a cassette hub it would be very easy to change your gearing. It would also be much simpler to adjust chainline.
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Old 06-13-05, 09:27 PM   #7
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Quote:
Originally Posted by SSSasky
Lots of trials bikes run this setup (freewheel at the crank, fixed cassette hub). I don't know exactly why, but maybe someone will chime in.
As I understand it, a couple of reasons. They want smaller cogs in the back for greater clearance, which is easier with a fixed rear. Also they want to be able to reposition/backpedal the cranks without moving the chain for situations where the chain might be resting on obsticles.

Last edited by lz4005; 06-13-05 at 09:49 PM.
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Old 06-14-05, 01:19 AM   #8
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I think it was called a [I]Front Freewheel[I].

The idea was that the freewheeling occured at the bottom bracket so that you could shift the rear any time the bike was moving.

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Old 06-14-05, 08:42 AM   #9
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Quote:
Originally Posted by lz4005
They want smaller cogs in the back for greater clearance, which is easier with a fixed rear.
actually the clearance benefit is on the chainring, seeing as how it is much more exposed than the cogs ever would be.
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