Shimano Dura-Ace CS-7700 9 Speed 11-23 Cassette - (Cassettes / FreeWheels)

This Shimano Ultegra cassette has 9 speed Hyperglide sprockets for fast positive shifting. The four smallest cogs are titanium, the five largest sprockets are mounted on two light alloy carriers that reduce weight and increase sprocket stiffness. Available in only a 11-12-13-14-15-17-19-21-23 gear ratio at this incredible price.