Rare seven speed Shimano 600 UniGlide cassette from the 6400 ‘Tricolor‘ series of parts that went on to be known as the Ultegra grouppo. With a very useable 12 to 24 ratio this UG cassette is compatible with a number of late 80s and early 90s Shimano hubs from the 105, Sante, 600 and Dura Ace ranges.
- Model: CS-6400
- Date code for September 1987
- Seven speed, 12:24 sprockets
- Made in Japan