These are
NEW
chain rings in manufacturers packaging. They are fabulous original quality highly polished alloy (not cheap Far Eastern copies).
The outer rings attach to the following crank arms:
T.A. Cyclotouriste (Pro Vis 5)
Suntour SunXCD crank arms
Stronglight 49D
Velo Orange 50.4 crank sets
The inner/middle rings (80mm PCD) attach to the following outer rings:
T.A. Cyclotouriste (Pro Vis 5)
Velo Orange 50.4 crank sets
Please note that these rings are designed for 5/6/7/8 speed derailleur systems only.
If you have Stronglight 49D, you will need both inner and T.A. outer rings.