Road version, 11-speed cage
Compatible with Shimano Ultegra R8000-8050-8070, Dura-Ace R9100-9150-8070
Not compatible with 11-speed Ultegra R6800 & Dura-Ace R9000
Not compatible with 12-speed Ultegra R8100 & Dura-Ace R9200
Cassette with maximum 32 teeth for optimum gear changes
Carbon fiber cage, 7075 aluminum gears and sealed all-ceramic ball bearings
Weight: 78 g