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Shimano SLX M7100 12-Speed Cassette
May 29, 2025MPN: ICSM7100051
$130.00
Affordable 12-speed MTB cassette for Micro Spline freehub bodies
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Shimano SLX M7100 12-Speed Cassette. Micro Spline 10-51T
The Shimano SLX M7100 12-Speed Cassette features Shimano’s top-end cassette technology but at a more affordable price. It offers a 510% gear range and uses a Beam Spider to ensure stiffness while reducing the inertia required to turn the gears. The shift ramps have also been updated and the SLX M7100 12-Speed Cassette uses Hyperglide+ technology for smooth and consistent shifting. The SLX M7100 cassette is also built around a Micro Spline freehub body. It has a 10T cog to provide you with a gear for fast descents as well as a 51T cog for steep climbs.
Technology
Beam Spider Construction
This lightweight bond reduces overall cassette weight and inertia needed to turn over the gears
Hyperglide+
An updated tooth profile that provides exceptional shifting
Micro Spline Freehub
The use of a Micro Spline freehub means this cassette uses a 10T cog for fast descents and 51T cog for steep climbs
Shimano MTB Cassette Comparison (Sorted by Speeds)
| Model | Price | Bike | Speeds | Gearing | Weight |
| Shimano SLX M7100 12-Speed Cassette | $104.99 | MTB | 12-Speed | 10-51T | 534 grams |
| Shimano Deore XT M8100 12-Speed Cassette | $164.99 | MTB | 12-Speed | 10-51T | 470 grams |
| Shimano XTR M9101 12-Speed Cassette | $409.99 | MTB | 12-Speed | 10-51T | 367 grams |
| Shimano Ultegra CS-HG800 11-Speed Cassette | $97.99 | MTB/Gravel | 11-Speed | 11-34T | 335 grams |
Compatibility
Compatible with Shimano 12-speed MTB drivetrains and made to work with Micro Spline freehub bodies.
Specs
- Speeds: 12-speed
- Gearing: 10-51T
- Technology: Beam Spider | Hyperglide+ | Micro Spline
- Weight: 534 grams
- Cogs: 10-12-14-16-18-21-24-28-33-39-45-51
Tools Needed for Installation
You will need the following tools for installation of this product. You can shop for the required tools on our Tools Page.
- Cassette lockring tool like the PRO Team Lockring Tool or Unior SRAM/Shimano Cassette Lockring Tool
- Chain whip like the Wolf Tooth Chain Whip
Q&A
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THIS PRODUCT IS FREQUENTLY BOUGHT WITH
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Wolf Tooth WT-1 Chain Lube$18.95Premium synthetic chain lubricant plus a drivetrain treatment in one bottle! -
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Shimano 105/SLX-level chain. Compatible with 12-speed road and MTB bikes including e-Bikes -
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