Actually, a complete overhaul, meaning repacking bearings, etc. The
shifter mechanism needed a little adjustment, and since everything is out in
the open with familiar components it was easy.
>
>In for adjustments was it?
>
<<SNIP>>
>
>> But yesterday a bike arrived that towered above anything else I
>have seen in terms of uniqueness: A CSA Autobike. This ingenious
>contraption has an automatic rear wheel shifter that operates by way of
>three weights that slide along the spokes, which operate a trio of
>clevises, which operate a trio of pistons, and which then push a shifting
>ring outwards against the chain as the wheel goes faster, shifting the
>chain to a smaller sprocket. A conventional rear derailleur provides
>chain tensioning and jockying for down-shifting. The crankset is also a
>freewheel so that the chain can move while coasting so as to allow the
>wheel mechanism to shift down as speed decreases. Here are some photos:
>>
>> https://www.flickr.com/photos/64004640@N03/28642433541/in/dateposted-public/
>>
>> https://www.flickr.com/photos/64004640@N03/28720219755/in/dateposted-public/
>>
>> https://www.flickr.com/photos/64004640@N03/28720219715/in/dateposted-public/
>
Chris
When the going gets weird, the weird turn pro
- Hunter S. Thompson
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