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 Post subject: Speedhub
PostPosted: Sun Jan 18, 2004 11:38 am 
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Location: New York City
http://www.rohloff.de/index.php?p=TECHNIK/SPEEDHUB

anyone here know anything on this hub, first hand? pretty heavy at 1700 - 1825 grams. is the hub considered rotating weight?


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 Post subject: Speedhub
Posted: Sun Jan 18, 2004 11:38 am 


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 Post subject:
PostPosted: Sun Jan 18, 2004 1:59 pm 
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O2 Bikers (Belgian mtb magazine) once did a test with this hub but that's a pretty long time ago. I do not have the issue here with me but i remeber they said the hub has a lot of internal friction and yes the weight is rotational weight i guess. Advantage is that the chain reaches a higher mileage.

Cheers
Ivan


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PostPosted: Sun Jan 18, 2004 6:48 pm 
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Location: Germany
There are a lot locals around here who ride a Rohloff.

The planetary gearing needs a relatively long running-in time (at least 1000 km), but afterwards internal friction is nearly on par with normal derailleur shifting.
It's also much more resistant against mud than a normal derailleur setup.

Rotational weight is of course higher, so it's not a choice for XC racers.
Compared to a normal wheel you also feel the additional weight on the rear.

But if you ride rougher, do many miles or want a low-maintenance setup it's really unbeatable:
no more shifting problems, no more adjusting and a chain usually lasts about 4000 km.
The only regular maintenance Rohloff recommends is an oil change every 5000 km or per year.


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 Post subject:
PostPosted: Mon Jan 19, 2004 8:27 am 
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Location: New York City
i was thinking of buying a 24" cruiser bike with this hub. they usually dont have gears, so i dont know if this hub would fit on. but its a good idea.

here is the frame i was thinking of using with the speed hub: http://www.danscomp.com/cgi-bin/hazel.c ... tem=221099


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 Post subject: hubs
PostPosted: Mon Jan 19, 2004 11:42 am 
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Location: Kent
Rotational weight isn't really an issue with hubs owing to the low diameter in question.

Heavy is still heavy but won't have the same multiplied effect as a heavy rim or tyre.

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 Post subject:
PostPosted: Mon Jan 19, 2004 12:56 pm 
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ahh, the answer i was looking for. i hope they make this hub for bmx cruiser bikes. anyone know?


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 Post subject:
PostPosted: Mon Jan 19, 2004 1:03 pm 
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their with is 135 mm. does that fit in the bike?

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 Post subject:
Posted: Mon Jan 19, 2004 1:03 pm 


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 Post subject:
PostPosted: Mon Jan 19, 2004 1:14 pm 
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Joined: Wed Oct 22, 2003 12:34 pm
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Location: New York City
i would have to find out, but standard bike co. does custom frames, so i would see if they can do something for me. this is very intresting. a little heavy but intresting.


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