When specified with smaller chainrings and the medium cage XTR rear derailleur (sold separately), this 9-45t XTR cassette provides a lightweight, ground-clearing option with a no-sacrifice 500% range | 9-45t offering provides 500% of range, optimizing it for compact drivetrains with limited gear sacrifice | The strategic use of steel, titanium, and alloy ensures the XTR CS-M9200 cassette is lightweight and robust enough to provide racer confidence | CS-M200 XTR cassette is compatible with MICRO SPLINE freehub standards | Mounts with the use of a special lockring tool TL-LR021 (sold separately)
UPC: 192790305455