Shimano Dura-Ace CS-7800 10-spd Cassette - 12t

«  ↑  » Shimano Dura-Ace CS-7800 10-spd Cassette - 12t The new Dura-ace 10 speed cassette is engineered to provide the best, most precise shifting imaginable. Designed to work with the 9-spd freehub, it is only 13 grams more than its 9-spd counterpart. The titanium sprockets have a special surface treatment increases durability by approx. 30%, making for a longer lasting drivetrain. Available in a variety of gear combinations to suit any rider for any situation, 12-21, 12-23, 12-25, 12-27.For 11-21 and 11-23 check out item # 50-2203 Item no longer available. Click Search to find alternatives...