
Product Description
With its Beam Spider construction, the new Shimano Deore XT M8100 12-speed cassette shaves weight while increasing Shimano's MTB gearing range another gear. Using Shimano's new MICRO SPLINE freehub body and Hyperglide+ tooth profile, these 10-45 and 10-51T cassettes deliver advanced shifting performance.
- Definitive shifting performance
- New shift ramp designs provide the fastest, smoothest shifts by Hyperglide+
- Beam Spider
- Lighter and stiffer construction
- Reduces cassette inertia resulting in faster acceleration and increased chain security
- Micro Spline
- 10T lowest sprocket realized by new FREEHUB body construction
- Wide range and close step 12-speed drivetrain
- Model: CS-M8100-12
- Series DEORE XT M8100
- Average weight: 461 g (10-45T), 470 g (10-51T)
- Combination: 10-12-14-16-18-21-24-28-32-36-40-45T | 10-12-14-16-18-21-24-28-33-39-45-51T
- Combination name(Group name): 10-45T, 10-51T
- Compatible chain: HG 12-speed
- Speeds: 12-speed
- Spider arm_QTY: (pcs) 1
- Type: Hyperglide+
Availability & Sizing
Product Details
Price History
Historical Data
Last 1 days of price history
| Date | Low Price | High Price | Average Price | Vendors |
|---|---|---|---|---|
| May 8, 2026 | $195.00 | $195.00 | $195.00 | 1 |
Price Statistics
Description
With its Beam Spider construction, the new Shimano Deore XT M8100 12-speed cassette shaves weight while increasing Shimano's MTB gearing range another gear. Using Shimano's new MICRO SPLINE freehub body and Hyperglide+ tooth profile, these 10-45 and 10-51T cassettes deliver advanced shifting performance. Definitive shifting performance New shift ramp designs provide the fastest, smoothest shifts by Hyperglide+ Beam Spider Lighter and stiffer construction Reduces cassette inertia resulting in faster acceleration and increased chain security Micro Spline 10T lowest sprocket realized by new FREEHUB body construction Wide range and close step 12-speed drivetrain Model: CS-M8100-12 Series DEORE XT M8100 Average weight: 461 g (10-45T), 470 g (10-51T) Combination: 10-12-14-16-18-21-24-28-32-36-40-45T | 10-12-14-16-18-21-24-28-33-39-45-51T Combination name(Group name): 10-45T, 10-51T Compatible chain: HG 12-speed Speeds: 12-speed Spider arm_QTY: (pcs) 1 Type: Hyperglide+
Additional Info
Vendor Comparison (1 stores)
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| Vendor | Price | Stock | Last Updated | Action |
|---|---|---|---|---|
Sports Basement Best Price | $195.00 | Out of Stock | 5/8/2026 | View Product → |
Available Sizes & Variants (1)
| Variant | Size | Color | Price | Status | Stores | Buy |
|---|---|---|---|---|---|---|
One / One Size | One Size | One | $195.00 | In Stock | 1 store | Buy |





