A superior surface treatment has been applied to the titanium sprockets that increase durability by approximately 30
The sprocket width has been slightly reduced, to achieve chain compatibility and only increases the overall weight of the cassette sprocket by 17 grams more compared to the 9-speed CS-7700 sprocket.
The CS-7800 Sprocket is compatible with the 9-speed freehub because it is designed to have nearly the same width.
173 grams (11-23 / 10-speed sprockets)
