They’re race day ones only aren’t they? I had a Kheops cassette - beautiful and light as anything but wears quickHere you go
https://www.scribd.com/document/392...nce-Behind-the-Magic-Drivetrain-Compatibility
Lightest 7 speed would be the TA Kheops aluminium. Came in different colours too.
Nice thanksCampag and Shimano both used 5.0 mm spacing for 7s so yes, they are interoperable.
Thanks7 sp practically universal.
For larger sprockets think you will be limited to either Shimano, Suntour or some obscure custom Maillard to be honest.