Similar to the Super Record cassette but made with 3 fewer titanium cogs. The last pair of three sprockets is mounted on a frame with a new structure that increases their rigidity. 3 nickel-chrome steel and 3 titanium cogs on 2 light alloy carriers for incredible weight and stiffness with 5 separate nickel-chrome steel cogs. 11 speed cassettes have different tooth profiles and shift timing for increased performance. 11 speed specific light alloy lockring is included. 183 grams (11-23).