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

Shimano Deore CS-M6100 12-speed 10-51t Micro Spline cassette
Shimano Deore CS-M6100 cassette detail view
Shimano Deore CS-M6100 12-speed 10-51t Micro Spline cassette
Shimano Deore CS-M6100 cassette detail view

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

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

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What is the Shimano Deore CS-M6100 cassette built for?

The Shimano Deore CS-M6100 Cassette is built to bring real 12-speed trail performance to riders who want wide-range gearing without a flagship price tag. Its 10-51t spread gives you a genuine bailout climbing gear and a fast 10-tooth top end, so steep punchy climbs and high-speed descents are both covered on a single 1x drivetrain. HYPERGLIDE+ tooth profiling lets you keep pedaling through shifts, which is exactly what you want when the trail pitches up unexpectedly.

This cassette runs on a MICRO SPLINE freehub body and pairs with any Deore M6100 12-speed drivetrain, using a 12-speed Hyperglide+ chain for the smoothest, quietest shifting. BEAM SPIDER construction keeps the larger cogs stiff while trimming weight, so the gearing range never comes at the cost of durability or shift quality. It is the right choice for trail and all-mountain riders who want proven Deore reliability across the full 12-speed range.

$115.00
$115.00
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1 in stock

  • Orders over $100 ship free!
  • Estimated delivery: Jun 08 - Jun 12

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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.

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