In addition to picking up an 11th cog the Ultegra CS-6800 Cassette is now available in more gear spreads including a hill conquering 11-32T option. New Hyperglide tooth profiles ensure reliable shifting with the narrower CN-6800 11-speed chain steel cogs deliver maximum durability and machined cutouts provide additional weight savings. The Ultegra CS-6800 is available in various gearing options see below. Claimed weight 212g 11-23T 292g 11-32T.