Shimano Deore CS-M6100 Cassette - 12-Speed | 10-51t

Specifications

• Model: CS-M6100-12
• MPN: ICSM610012051
• Series: Shimano Deore M6100
• Speeds: 12-speed
• Cassette Range: 10-51t
• Cog Combination: 10-12-14-16-18-21-24-28-33-39-45-51t
• Freehub Interface: Micro Spline
• Shifting Technology: Hyperglide+
• Construction: Beam Spider, all steel cogs
• Drivetrain Setup: 1x (single front chainring)
• Recommended Chain: Shimano 12-speed Hyperglide+ (CN-M6100 or equivalent)

FAQ

What freehub body does the CS-M6100 require?

It requires a Shimano Micro Spline freehub body. The 10-tooth small cog will not fit a standard Hyperglide or HG freehub, so your wheel needs a Micro Spline driver.

Is the Deore CS-M6100 compatible with other Shimano 12-speed groups?

Yes. It shares the 12-speed Hyperglide+ standard with SLX, XT, and XTR, so it works across Shimano 12-speed Micro Spline drivetrains. Pair it with a 12-speed Hyperglide+ chain for the best shifting.

What chain should I run with this cassette?

Use a Shimano 12-speed Hyperglide+ chain such as the CN-M6100. Hyperglide+ chains are designed to match the cassette tooth profiling for smooth shifting under load.

Is this cassette only for 1x setups?

Yes. The 10-51t range is built for single front chainring 12-speed drivetrains, which is the standard setup for modern trail and all-mountain bikes.

Best For

Trail and all-mountain riders running a Shimano 12-speed Micro Spline drivetrain who want wide-range 10-51t gearing and proven Deore reliability without stepping up to SLX, XT, or XTR pricing.