Shimano XTR CS-M9001 11-speed cassette with an 11-40T gear range. It is a high-performance mountain bike (MTB) component known for its lightweight construction and precise shifting.
Speed: 11-speed.
Gradation: 11-13-15-17-19-21-24-27-31-35-40T.
Weight: Approximately 331g, according to manufacturer specifications.
Material: A combination of materials is used for optimal performance: the four smallest sprockets are steel (for durability), six middle sprockets are titanium (for lightweight strength), and the largest 40T sprocket is aluminum (to reduce rotational mass).
Construction: Features carbon fiber and aluminum spider arms.
Compatibility: Compatible with standard Shimano 8/9/10-speed MTB freehub bodies and the HG-X11 chain. It is also suitable for 1x, 2x, and 3x crankset configurations.