>
> In image #6:
>
> - in addition to the derailleur, what's going on with that seat post? I assume it has an adapter to move saddle forward, but does it intersect the top tube or possibly (unbelievably) to one side of top tube?
>
could be a suspension seatpost, with twin sliders one each side of the
toptube. Can't make out what they did for a spring though
--
mvg