High end Shimano XTR CS-M9100 cassette for 12-speed drivetrain. 10-45 teeth cassette allows narrow gradation between the gears on faster or less steep racing courses. This makes the 10-45 teeth cassette ideal for XC racers, where narrow gradations are crucial and every gram counts, while the 10-51 teeth cassette is the ideal choice for trail riders who can also tackle steep ramps.
Let you pedal continuously while shifting
Increased acceleration by reducing inertia and weight by BEAM SPIDER construction
MICRO SPLINE construction
HYPERGLIDE+ (not compatible with standard HG freehub bodies)
Gear combinations (OPTIONAL): 10-45T OR 10-51T
Compatible chain CN-M9100
Number of Spiders: 1
Aluminium large sprockets, spider, and lockring
Titanium medium sprockets
Steel small sprockets
10-45T: 357 g
10-51T: 367 g
Combination of teeths:
HYPERGLIDE+ - XTR M9100 delivers groundbreaking advancements in drivetrain performance with the introduction of HYPERGLIDE+. Cassette guides the chain both up and down the cassette, providing faster, smoother shifting in both directions.
MICRO SPLINE - Designed specifically for SHIMANOs 12-speed XTR drivetrain, the MICRO SPLINE FREEHUB delivers a lightweight construction that works seamlessly with the systems new small 10-tooth cog. As the name suggests, MICRO SPLINE features smaller freehub splines that help eliminate damage on the lightweight aluminum freehub.