Review for Shimano Dura-Ace CS7900 10-Speed 11-23t Cassette

Updated cog design yields more robust shifting and further weight savings Compatible with all 10- and 9-speed Shimano hubsColor Silver Cassette Cogs 11,12,13,14,15,16,17,19,21,23 Speeds 10 Chain Compatibility Shim/SRAM 10 Weight 163 g Intended Use Road Drivetrain Spacing Shimano/SRAM 10 Cassette Body Type Shimano 9/10/SRAM

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Review for Shimano Ultegra 9 speed 12-25 cassette – 2019

Ultegra CS6500Must use 9-speed chainReduced cog spacing: 9-speed is same overall width as 8-speed Aluminum carrier reduces weight and increases rigidity

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