Hi,
I have a couple of 8 speed sachs freewheels in very good condition for sale and have been advised that posting here would be a good idea!
12-21:
http://cgi.ebay.co.uk/ws/eBayISAPI.dll? ... 1107985940
12-23 - SOLD
http://www.ebay.co.uk/itm/191107987501? ... 1555.l2649