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Shimano XT CS-M771 10 Speed Cassette

Item #: CS272B01
USD$44.99 SAVE 26% USD$60.99 msrp
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Shimano XT CS-M771 10 Speed Cassette

Shimano M771 XT 10 Speed Cassette

Shimano's new XT-level 10-speed cassette specifically designed to work with a 10 speed drivetrain. Shimano developed Dyna-Sys with the goal of increasing rider efficiency. This means closer ratios, smoother shifts, and a more stable pedal stroke.

  • Uses a two-spider construction on the largest six cogs for lightness and rigidity, and prevents gouging of aluminum freehub bodies
  • Lightweight Alloy Lockring
  • Dyna-Sys 10 speed
  • Compatible with 8/9/10/11 speed freehub bodies
  • Use with Shimano 10-speed MTB chains
  • Weights:
  • 11-32T: 280g
  • 11-34T: 309g
  • 11-36T: 330g
4.8 / 5.0
181 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
145
31
3
1
1
Great Cassette
I bought this to replace a deore cassette to run with a Oneup Components 42t and 16t expander. It worked perfectly. The shifting even with the different cogs swapped in was strong and positive. The chain drops onto the next gear with a audible clunk, which I don't mind. There was a small weight savings in the swap as well. Every little bit counts.

PROS: Precise Shifting, Lightweight, Easy To Install, The One To Get For Oneup
August 11, 2014
Location:
Seattle, WA
Is anyone else breaking these?
I've had three of these cassettes fail in the last year. Every single one of them broke where the 4-5-6 cogs rivet to the spider. I rider a 29er, so maybe it's an issue with wheel size and having too much torque with the bigger wheel, but no matter what it is…it shouldn't fail like this.

PROS: Precise Shifting, Lightweight

CONS: Flimsy Design
October 24, 2014
Location:
IL
You don´t need more
For years I been using this model, Design is awesome, Lightweight and durable

PROS: Durable, Lightweight, Enhances Pedaling Efficiency, Precise Shifting
September 4, 2014
Location:
Mexico
Solid cassette with good range
This cassette walks the line perfectly between light-weight function and a good price. The 11-36 is a good range and is doable with a single ring front set-up.

PROS: Smooth Shifting
October 31, 2012
Location:
Rifle, CO
Reliable performace and Shimano quality.
Shifting is solid and the spiders that hold 10-9-8 and 7-6-5 keep from gouging alloy freehub bodies.

PROS: Precise Shifting, Easy To Install, Lightweight, Durable
August 10, 2016
Location:
Toronto
I love XT components
I am a fan of XT components. This is my first ten speed cassette and the shifting is crisp and precise. It's lightweight as well.

PROS: Crisp precise shifting, Lightweight
March 19, 2012
Location:
Glendora, CA
M771 XT 10Sp - Just what i needed
this Cassette was used to replace a SLX 10sp Cassette that came stock on the bike. The SLX always had a little free play I could not remove and miss-lead me to think it was a bearing issue. The XT Cassette has no play and works great. Of course it all separates so if a was to go 42T it's much simpler too.

PROS: Easy To Install, Durable, Precise Shifting
July 6, 2015
Location:
CA
Solid
Replaced the stock cassette on my anthem X with this and it's stellar. Cogs are fixed to an alloy carrier which reduces the weight (not like it matters when you weigh 185) and more importantly, doesn't chew into your pretty little alloy freehub body. Had to remove the old cassette with some gentle tapping with a mallet followed by filing down the ridges it left in my freehub body.

Most Shimano stuff shifts well, and this is no exception.

Bottom line: If you need a new 10spd cassette, don't think too hard, just buy this one and forget about it for the next 1000 miles.

PROS: Easy To Install, Precise Shifting, Lightweight
October 1, 2014
Location:
Tucson, AZ
good for alloy freehubs
Great for alloy freehub bodies - the largest 6 cogs on alloy carriers won't gouge your freehub body.

PROS: Precise Shifting, Easy To Install, Lightweight, Durable
October 30, 2014
Location:
Middletown, NY
Nice Cassette
Purchased this to not only upgrade my stock cassette, but also to use with Wolftooth 42 tooth cog and Raceface narrow wide 32 chainring. Setup works great. Can definitely tell the weight difference between this cassette and the one that came with the bike.

PROS: Durable, Easy To Install, Precise Shifting, Lightweight
October 8, 2014
Location:
North Texas

Q & A

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Browse 3 questions Browse 3 questions and 4 answers
Is this cassette interchangeable with a SRAM pg1050 11-36 ten speed cassette; i.e., will it work with SRAM x7 derailleur and ten speed shifter
Michael on Apr 15, 2016
BEST ANSWER: Yes, it will work fine.
how well will installing this work with a Bontrager 10sp hub, ultegra long RD, 2x10 ultegra or CX70 FD and a 105 50/34 compact cranks? would i need a MTB chain to make it shift more smoothly?
Spychic on May 30, 2017
BEST ANSWER: You might have a few issues:

- CX70 derailleur. It is optimized for the 36/46T CX70 crankset and doesn't handle the 50/34 gear combination well.

The 11-36T cogset probably will not work with the Ultegra derailleur either. You may have luck with using a 9-speed Shimano MTB derailleur (don't worry, it will shift fine with the ultegra shifters). However the derailleur is only designed to go up to a 34T so you may still be out of luck. Nothing is guaranteed to work with non-standard component combinations but I've seen others do it. Be sure to set your B-limit screw and chain length correctly. Good luck!
Shimano Deore M591 9 SPD Rear Derailleur
Shimano Deore M591 9 SPD Rear Derailleur
Is a 1mm spacer required for an upgrade from 9 speed? I didn't see a spacer provided in box. Heard it's required....
Eric T on Apr 12, 2017
BEST ANSWER: No, only if it's was an 11 speed XT on an 11 speed hub body. 10 speed on a 10 speed hub body that previously had a 9 speed won't require a spacer

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.