Looks like a belt driven speedometer. Just like the old dental hand pieces.
René "used to be a dentist"
On Wednesday, April 3, 2013, Alex Zeibot wrote:
> Jan,
> Off topic but it piqued my interest, what is this thing situated on the
> fender between the headlight and straddle cable in the second picture?
>
>
> On Wed, Apr 3, 2013 at 11:00 PM, Jan Heine
> <hein...@earthlink.net<javascript:_e({}, 'cvml', 'hein...@earthlink.net');>
> > wrote:
>
>> More like this
>>
>> http://www.bikequarterly.com/images/faure.jpg
>>
>> And if you are concerned about the shifters, you also should be concerned
>> about the stem right in front of them...
>>
>>
>> Jan Heine
>> Editor
>> Bicycle Quarterly
>> www.bikequarterly.com
>>
>> Follow our blog at www.janheine.com
>>
>> On Wednesday, April 3, 2013 7:01:53 PM UTC-7, Steve Palincsar wrote:
>>>
>>> On Wed, 2013-04-03 at 18:57 -0700, Jan Heine wrote:
>>>
>>> I wonder why few bikes in recent years have put the shifters on the top
>>> tube. That was common in the 1930s, when most cyclotourists rode in a more
>>> upright position. Top tube-mounted shifters would be as accessible as
>>> stem-mounted ones, but you'd eliminate the cable housing (the shifters no
>>> longer have to turn with the fork) and thus get a lighter, more positive
>>> system. With modern top-pull derailleurs, the cable routing would be easy -
>>> cyclocross style along the top tube and down the seat tube (front
>>> derailleur) and seatstay (rear derailleur).
>>>
>>>
>>>
>>>
>>> Like this, you mean? Very popular back in the 70s, I believe. But at
>>> least in urban legend, it had a small emasulation problem...
>>>
>>>
>>> --
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