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electric bicycle retailer in edinburgh

 
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Old 05-01.-2005, 05:48 PM   #16
Nick Kew
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Default Re: electric bicycle retailer in edinburgh

In article <1104906001.406363.283300@f14g2000cwb.googlegroups.com>,
dbguy101@hotmail.com writes:

> There are e-bike machines that are basically mopeds,


"basically" mopeds?

Why do you need to qualify the abbreviation, when the question was
explicitly about a form of MOtor assisted PEDal cycle?

> virtually unrideable on a flat battery


If it's sold as a moped but not rideable without the motor, shouldn't
that be a trades descriptions or sale of goods act issue?

Unless you subscribe to the Newspeak idea of a moped as an orphaned
word for a small motorbike with a convoluted legal definition.

--
Nick Kew
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Old 05-01.-2005, 10:10 PM   #17
Alan Braggins
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Default Re: electric bicycle retailer in edinburgh

In article <5nisa2-qp1.ln1@hugin.webthing.com>, Nick Kew wrote:
>In article <1104906001.406363.283300@f14g2000cwb.googlegroups.com>,
> dbguy101@hotmail.com writes:
>
>> There are e-bike machines that are basically mopeds,

>
>"basically" mopeds?
>
>Why do you need to qualify the abbreviation, when the question was
>explicitly about a form of MOtor assisted PEDal cycle?

[...]
>Unless you subscribe to the Newspeak idea of a moped as an orphaned
>word for a small motorbike with a convoluted legal definition.


The "Newspeak" idea, apart from being the usual definition of moped
for many years and therefore one which pedants sticking to the original
definition should qualify, is only convoluted by retaining the earlier
definition for ones used before 1 August 1977.

http://www.dvla.gov.uk/drivers/rdmcycle.htm
"A moped is a motorcycle which:
* cannot go faster than 50km/h
* must not have an engine over 50cc
* can be moved by pedals, if the moped was used before 1 August 1977."
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Old 05-01.-2005, 11:42 PM   #18
stupot
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Default Re: electric bicycle retailer in edinburgh

thebikestation was where the current chainring came from. I checked
this morning and its a 46t chainring with a 16t sprocket which is
giving me a...
46 - 120 range.

The chainring is a composite ring and cranks so changing it is a
little tricky. So instead Im going to change the rear sprocket to a
20t which will give me...
39 - 95 range.

Do you think that the 39 is low enough?

BCD / PCD ?

Jon Senior wrote:
> Spin, spin, spin! But you seem to have grasped that one already. If
> you're reasonably handy with your tools and know about BCD / PCD then
> you might want to try the Bike Station (www.thebikestation.org.uk) as
> they have a selection of chainrings which might allow you to experiment
> without too great a cost.
> Good luck.

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Old 06-01.-2005, 12:19 AM   #19
David Martin
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Default Re: electric bicycle retailer in edinburgh

On 5/1/05 1:42 pm, in article crgqsc$ahj$1$8300dec7@news.demon.co.uk,
"stupot" <xxx@nospamwowo.com> wrote:

> thebikestation was where the current chainring came from. I checked
> this morning and its a 46t chainring with a 16t sprocket which is
> giving me a...
> 46 - 120 range.
>
> The chainring is a composite ring and cranks so changing it is a
> little tricky. So instead Im going to change the rear sprocket to a
> 20t which will give me...
> 39 - 95 range.
>
> Do you think that the 39 is low enough?


Based on that you might want to go a bit lower. 22 or 24 would improve
things at the bottom end. You'll not have the really fast downhill gears,
but then again you'll be freewheeling.

...d

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Old 06-01.-2005, 12:21 AM   #20
Simon Brooke
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Default Re: electric bicycle retailer in edinburgh

in message <crgqsc$ahj$1$8300dec7@news.demon.co.uk>, stupot
('xxx@nospamwowo.com') wrote:

> thebikestation was where the current chainring came from. I checked
> this morning and its a 46t chainring with a 16t sprocket which is
> giving me a...
> 46 - 120 range.
>
> The chainring is a composite ring and cranks so changing it is a
> little tricky. So instead Im going to change the rear sprocket to a
> 20t which will give me...
> 39 - 95 range.
>
> Do you think that the 39 is low enough?
>
> BCD / PCD ?


Bolt Circle Diameter/Pitch Circle Diameter - measures of the spacing of
the bolt holes by which chainrings are held to cranks. If you aren't
changing the chainring this doesn't worry you.

--
simon@jasmine.org.uk (Simon Brooke) http://www.jasmine.org.uk/~simon/

;; ... exposing the violence incoherent in the system...
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