Double PCD hard disk or flex disk. This way you can easily put a different pitch cardan shaft on your differential or gearbox by changing the hardy disc.
Connection 1: LK78 (with bolt M12 and M10by usig adapters and rings))
Connection 2: LK96
Very useful for changing to another block, gearbox or diff without changig the drive shaft. The design is aimed at low weight, made of high quality 6082 aluminum, anodized and equipped with rubber bearings for good damping of drivetrain vibrations and shocks and therefore better suited for street use than hard urethane variants.
< p>With this hardy you can, for example, put an M50 M52 S50 in an E30 6 cylinder without making any adjustments to the drive shaft.