Three alloy carriers and 4 titanium sprockets make this Shimano's lightest ever 9-speed MTB cassette
FEATURES
» 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 to corrosion
» Alloy cassette lockring
» Average weight 224 grams
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