The Shimano Ultegra CS-6500 Bicycle Cassette - 9 Speed boasts a lightweight design that allows for smoother shifting performance. M. With hyperglide sprockets which have a computer designed tooth configuration and contoured shift gates, the close ratio gearing improves energy efficiency through finer cadence control. - L. With a chrome plated finish which will resist corrosion, the cassette's two biggest sprockets are mounted on a lightweight alloy carrier to improve rigidity and reduce weight. Features : .
Tags: Shimano Ultegra CS-6500 Bicycle Cassette - 9 Speed - 12-25T - No Colour by Shimano