[python] Re: Hub gears

  • From: "Boyd, Mark" <mark.boyd@xxxxxxxxxxx>
  • To: <python@xxxxxxxxxxxxx>
  • Date: Wed, 4 Aug 2010 08:58:08 +0100

Hi Gerald

Thanks for that. It is good to know that it can be done. Have you gone for an 
eccentric bottom bracket, or haven't you found chain tension to be an issue?

Cheers

Mark

-----Original Message-----
From: python-bounce@xxxxxxxxxxxxx [mailto:python-bounce@xxxxxxxxxxxxx] On 
Behalf Of Gerald
Sent: 03 August 2010 21:11
To: python@xxxxxxxxxxxxx
Subject: [python] Re: Hub gears

Hi Mark,
I use a SRAM 9-Speed hup in my python and it seems all right. It even has a 
coaster break - nice thing, you do not have to put your hand to the "handlebar" 
to break.
I think it is not a big issue with the weight of the hub while you ride the 
python. Your legs left and right of the hup will weight a lot more than the hub.
As far as I know, the iMotion9 I use is even heavier than the Rohloff - albeit 
not as noble.
If the hub has a reasonable price, I would sugget to go ahead and get it.

Best regards
Gerald


The only point I would

Boyd, Mark wrote:
> Hi Everyone
>
> A friend of mine has a Rohloff speed hub that I am thinking of buying 
> for my python project. If I include an eccentric bottom bracket, it 
> shouldn't need any other chain tensioning device, and may even work 
> with a chain case. This should make for a very tidy drive train.
>
> Other than the silly price tag that this would come with, can anyone 
> think of a reason why this wouldn't work? In particular, although I am 
> prepared for the inevitable bruising that learning to ride will bring, 
> do you think that having such a heavy hub will increase wheel flop and 
> so make the learning process even harder? If so, would you advise, 
> say, adjusting the steering head angle and if so to what?
>
> Thanks in anticipation.
>
> Mark
>
>
>
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