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Shimano XTR CS-M9101 12-Speed Cassette – HYPERGLIDE+ – MICRO SPLINE
These are OEM Shimano Parts, Brand New, Never Installed on Bike, Never Used in Any Way, just NOT in retail packaging.
Upgrade your MTB drivetrain with the Shimano XTR CS-M9101 12-Speed Cassette, Shimano’s premium lightweight mountain bike cassette designed for fast, smooth, and precise shifting.
Part of the flagship XTR M9100 Series, the CS-M9101 combines HYPERGLIDE+ shifting technology, lightweight BEAM SPIDER construction, and a premium combination of titanium, aluminum, and steel sprockets to reduce weight while maintaining excellent durability.
Key Features
Brand: Shimano
Series: XTR M9100 Series
Model: CS-M9101-12
Speeds: 12-Speed
Technology: HYPERGLIDE+
Freehub Type: Shimano MICRO SPLINE
Designed for Shimano HG 12-Speed chains
Lightweight BEAM SPIDER construction
Premium titanium, aluminum, and steel sprocket construction
Aluminum spider and aluminum lockring
Smooth shifting even while pedaling under load
Designed for high-performance XC, trail, and MTB applications
Available Gear Shimano listed weight: Shimano listed weight: 367gPremium XTR Construction
The CS-M9101 uses a combination of different materials to achieve XTR-level weight savings:
5 Titanium Sprockets
3 Aluminum Sprockets
4 Steel Sprockets
Anodized Aluminum Spider
Aluminum Lockring
This premium construction makes the XTR cassette significantly lighter while providing the durability required for demanding mountain bike use.
HYPERGLIDE+ Shifting
Shimano HYPERGLIDE+ technology uses specially designed tooth profiles and shift ramps to provide exceptionally fast and smooth shifting across the cassette.
The system is designed to maintain smooth power delivery while shifting, making it ideal for steep climbs, technical trails, racing, and situations where quick gear changes are 12-Speed MTB drivetrains
Shimano MICRO SPLINE freehub body
Shimano HG 12-Speed chains
Excellent match for Shimano XTR, Deore XT, SLX, and compatible Shimano 12-speed MTB drivetrain components
⚠️ Important: This cassette requires a Shimano MICRO SPLINE freehub body. It will NOT fit a standard Shimano/SRAM HG freehub body.
Condition
✅ Genuine OEM Shimano Part
✅ Brand New
✅ Never Installed
✅ Never Used
✅ No Retail Packaging
Please check your bike\'s drivetrain, derailleur capacity, and freehub compatibility before ordering.
