Three alloy carriers and 4 titanium sprockets make this Shimano's lightest ever 9-speed MTB cassette
Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
Close ratio gearing allows a more efficient use of energy through finer cadence control
Three separate lightweight alloy carriers each mounted with 2 sprockets to reduce weight and increased stiffness giving more precise faster shifts
Four largest sprockets are made from titanium to reduce weight without sacrificing strength
Sprockets are cut away extensively and drilled to further reduce weight without reducing rigidity
Nickel-plated finish offers hard wearing resistance tocorrosion
Alloy cassette lockring
For Super Narrow 9-speed HG chains
Average weight 224 grams
