Originally Posted by
lotek
The Record and Chorus cassettes had a different spline pattern than the Athena, mirage and
other lower end 8 speed gruppos. The cogs are not interchangeable.
Brandford Bike used to have a really good write up about it. You might check campy only for
more details.
Marty
Thanks for the answers, this is the one I'll go for. The 8 speed cassette that did not fit was an Athena, so if I am lucky any old Record 8 speed will fit. On to Ebay!