I have a Concorde Squadra in TSX. There are indeed spiral reinforcements inside the downtube at least (I know cos I checked when I had the BB out). It rides wonderfully.
Frame is a 59cm (c-t-c) toptube, 27.2 seatpost, braze-on front mech, just for further information.
Frame is a 59cm (c-t-c) toptube, 27.2 seatpost, braze-on front mech, just for further information.
Cheers, Andrew