Shimano CS-M7100-12 SLX 12-Speed Cassette

Wide range and close step 12-speed SLX M7100 cassette 10T lowest sprocket realized by new Micro Spline freehub body construction Largest sprocket made from aluminum, to reduce weight Beam Spider construction results in a lighter and stiffer cassette Hyperglide+: enhanced shifting speed and efficiency allows to pedal continuously while shifting up or down Better chain engagement and stronger retention for improved confidence over any terrain Weight: 534g