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Shimano SLX CS-M7000 Cassette
Sale $53.27 - $59.99 $74.99 28% Off

Item # SHI00C1

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  • Silver, 11-40 ($53.27)
  • Silver, 11-42 ($53.27)
  • Silver, 11-46 ($59.99)
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Item # SHI00C1


Trickle-down magic.

We're not afraid to assert that Shimano is the de facto leader in trickle-down technology. The brand consistently executes progressive changes across its componentry in a methodical, rather than frantic, fashion, then spreads those changes across the rest of its line like a fairy godmother in a familiar story. The brand bestowed this same magic on its redesigned SLX line, turning the workhorse line into a shiny group of moving parts that look and perform far beyond what their price suggests. The SLX CS-M7000 Cassette may not be the star of the show, but it didn't miss out on any of the magic dust.

Crafting the cassette with an aluminum spider, Shimano shaved grams from the design compared to past versions, then constructed the cogs with a durable mix of aluminum and steel. In all, Shimano aimed the new SLX drivetrain at the ever-changing lineup of trail and off-road adventure bikes featuring wider spacing and bigger tires. It also wanted to deliver 11-speed to riders who aren't ready to take a pro-level chunk out of their wallets to pay for XT just yet, and in true Shimano style, didn't trade functionality for a lower price point.

  • A redesigned cassette constructed with trail riding in mind
  • Carefully built to save weight while remaining durable
  • Compatible with new 11-speed SLX drivetrain

Tech Specs

Cog Sizes:
11 - 40t, 11 - 42t
Cog Material:
aluminum and steel
Hub Type:
Shimano or SRAM 11-speed
Claimed Weight:
Recommended Use:
mountain bike
Manufacturer Warranty:
1 year

Reviews & Community


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Avg. ride time: 2h 7m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Great Gear Range on Gravel Bike

  • Familiarity: I've put it through the wringer

I was looking to drop the front derailleur on my beater CX/Gravel/Commuter Diamondback Haanjo trail and realized I could make my current Ultegra 11sp rear derailleur work with a Wolftooth Roadlink and this SLX 11-40 cassette. I went with the SLX to save a little dinero, even though its a bit added weight.

For the record, my drivetrain previously was a FSA 2x crankset, an Ultegra front and rear (medium cage I think) derailleur, and a 11-32 cassette. I went to the Rival 1 crankset, an SLX 11-40 cassette (Item #SHI00C1), and a Wolftooth Roadlink (Item #WFC0006). I'm running it with a Sram 11sp chain and it works flawlessly. I do wish the Ultegra derailleur had a clutch to keep chainslap down a bit on rougher CX terrain, but the shifting itself works flawlessly with the Wolftooth Roadlink.

If you have any questions on whether or not this is right for your derailleur or updating your drivetrain to a 1x, don't hesitate giving a shout and I'd be happy to help! My direct line is 801.204.4547 or you can reach me at

Great Gear Range on Gravel Bike
Unanswered Question

Is this compatible with a Shimano 11 speed road free wheel body?

Unanswered Question

Will the 9 speed 42 tooth cassette work with a regular 9 speed setup ?

Does the job!

  • Familiarity: I've used it several times

I wore my chain out and took my old XT cassette with it. I replaced it with this here SLX for a tiny weight penalty, but it works just the same!