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Shimano M770 XT 9 Speed Cassette

Item #: CS306B00
USD$46.99 SAVE 27% USD$63.99 msrp
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Shimano M770 XT 9 Speed Cassette


Shimano Deore XT M770 Cassette features "Pro Level" technology at an accessible price.  The alloy carrier keeps the weight down and varying tooth profiles provide smooth shifting.  One unique feature on XT, pins behind the largest cog, help prevent the chain from damaging spokes.
  • Weight(claimed): 297 g
  • Compatible with 9 speed drivetrains
  • Fits all Shimano and Shimano compatible 8/9sp cassette bodies
  • Spider arm design
  • Aluminum lock ring
  • 34t version uses a 5 arm spider
  • 32t version uses a 4 arm spider

REVIEW SNAPSHOT®

by PowerReviews
Shimano M770 XT 9 Speed Cassette
 
4.5

(based on 73 reviews)

Ratings Distribution

  • 5 Stars

     

    (46)

  • 4 Stars

     

    (23)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (2)

97%

of respondents would recommend this to a friend.

Pros

  • Precise shifting (53)
  • Easy to install (52)
  • Durable (46)
  • Lightweight (41)
  • Enhances pedaling efficiency (27)

Cons

No Cons

Best Uses

  • Mountain biking (58)
  • Road biking (4)
    • Reviewer Profile:
    • Avid cyclist (37), Casual/ recreational (17), Competitive cyclist (6), Commuter (3)
    • Was this a gift?:
    • No (64)

Most Liked Positive Review

 

Your bike isn't dead

Just like any vital part of a transmission on a car, cassettes wear out. Luckily it won't cost you thousands to replace on your bike. Nothing breathes new life in to your bike...Read complete review

Just like any vital part of a transmission on a car, cassettes wear out. Luckily it won't cost you thousands to replace on your bike. Nothing breathes new life in to your bike like a new cassette (at least after 3 years and thousands of miles). I'm loyal to Shimano after a horrible experience with SRAM, everyone has their own opinion, but you just can't beat Shimano. It's the reliability, quality, value, and performance you'd expect from Deore XT. Don't buy a new bike, just fix your transmission. Bike feels like it shifted off the showroom floor 3 years ago, keeping in mind I replaced the chain along with it.

VS

Most Liked Negative Review

 

Great cassette but needed work ? ?

Had Jenson install when purchased and immediately noticed a faint spoke sound. After a few rides i had thought i had a few loose spokes but every time i checked them i found nothing....Read complete review

Had Jenson install when purchased and immediately noticed a faint spoke sound. After a few rides i had thought i had a few loose spokes but every time i checked them i found nothing. As the sound grew louder i had finally found the problem, shimano had designed the big sprocket with pins integrated as to protect from "chain damage to spokes" but these little pins had hit all spokes slightly damaging them. The sprocket had to have the pins lightly ground down with a dremell to clearance the spokes. I would have given it 5 stars but due to the fact that i was replacing the same exact cassette with a new one and the old one did not have the pins and now i had to modify a new cassette, i knocked it to 3 stars. Had jenson caught this on install i would had just bought something else and saved myself some time and spoke damage. If u are thinking the freewheel hub had play it was replaced weeks earlier so that is not the culprit. BTW who has had a chain jump over the large sprocket on the cassette ? Every time my chain derails i am flying and my chain falls to the smallest cog!

Reviewed by 73 customers

Displaying reviews 1-10

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5.0

I would buy again

By Paul

from Miami,FL

About Me Avid Cyclist

Verified Buyer

Pros

  • Durable
  • Easy To Install
  • Enhances Pedaling Efficiency
  • Lightweight
  • Precise Shifting

Cons

    Best Uses

    • Mountain Biking

    Comments about Shimano M770 XT 9 Speed Cassette:

    So far so good Shimano's products have always been pretty durable for me This cassette was easy to install with JENSON'S Cassette Lockring Tool now bike shifts and sounds smoother than ever

    • Was this a gift?:
    • No
     
    5.0

    My go-to 9 speed cassette!

    By Henk

    from San Diegi

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Durable
    • Easy To Install
    • Lightweight
    • Precise Shifting

    Cons

      Best Uses

      • Mountain Biking

      Comments about Shimano M770 XT 9 Speed Cassette:

      Weekend MTB riding and occasional multi day trips. Cassette is reliable and easy to install and maintain.

      • Was this a gift?:
      • No
       
      5.0

      Solid product

      By Leisureclass

      from Wastage Beach ON

      About Me Avid Cyclist

      Verified Buyer

      Pros

      • Durable
      • Easy To Install

      Cons

        Best Uses

        • Mountain Biking

        Comments about Shimano M770 XT 9 Speed Cassette:

        Great product for the price.

        • Was this a gift?:
        • No
         
        5.0

        Shimano M770 XT 9 Speed Cassette

        By Craig

        from Cave Creek, AZ

        About Me Avid Cyclist

        Verified Buyer

        Pros

        • Durable
        • Easy To Install
        • Lightweight
        • Precise Shifting

        Cons

          Best Uses

          • Mountain Biking

          Comments about Shimano M770 XT 9 Speed Cassette:

          Works great, shifts smoothly. Great for when it's time to replace that drivetrain.

          • Was this a gift?:
          • No
           
          5.0

          We'll made.

          By TMC

          from Wellston, Ohio

          About Me Casual/ Recreational

          Verified Buyer

          Pros

          • Durable
          • Easy To Install
          • Enhances Pedaling Efficiency
          • Precise Shifting

          Cons

            Best Uses

            • Mountain Biking

            Comments about Shimano M770 XT 9 Speed Cassette:

            I love how well new cassettes shift.

            • Was this a gift?:
            • No
             
            5.0

            Just like the original.

            By Retlawyer

            from Anchorage, AK

            About Me Commuter

            Verified Buyer

            Pros

            • Durable
            • Easy To Install
            • Lightweight
            • Precise Shifting

            Cons

              Best Uses

              • Touring / commuter

              Comments about Shimano M770 XT 9 Speed Cassette:

              Just like the OEM.

              • Was this a gift?:
              • No
               
              4.0

              I would buy!!!

              By Humberto Caffecero

              from Hermosillo, Sonora, Mexico

              About Me Competitive Cyclist

              Verified Buyer

              Pros

              • Durable
              • Easy To Install
              • Lightweight
              • trustworthy

              Cons

                Best Uses

                • Mountain Biking

                Comments about Shimano M770 XT 9 Speed Cassette:

                I use this product on my bike medium / high range for recreation and competition. I am given me great experiences

                • Was this a gift?:
                • No
                 
                4.0

                Quality and Price

                By Mark

                from South Lake Tahoe

                About Me Avid Cyclist

                Verified Buyer

                Pros

                • Durable
                • Easy To Install
                • Enhances Pedaling Efficiency
                • Precise Shifting

                Cons

                  Best Uses

                  • Mountain Biking

                  Comments about Shimano M770 XT 9 Speed Cassette:

                  Not the lightest yet not the heaviest either. Shifts as good as any better than most.

                  • Was this a gift?:
                  • No
                   
                  5.0

                  Shimano consistency

                  By Mbikeman

                  from Boise, ID

                  About Me Avid Cyclist

                  Verified Buyer

                  Pros

                  • Durable
                  • Easy To Install
                  • Precise Shifting

                  Cons

                    Best Uses

                    • Mountain Biking

                    Comments about Shimano M770 XT 9 Speed Cassette:

                    Shimano always delivers. Hard to beat them for consistent performance. Not always the lightest, but it works.

                    • Was this a gift?:
                    • No
                     
                    5.0

                    Great bang for the buck!

                    By CO2Max

                    from Stoney Creek, ON

                    About Me Casual/ Recreational

                    Verified Buyer

                    Pros

                    • Durable
                    • Easy To Install
                    • Enhances Pedaling Efficiency
                    • Lasts For Years
                    • Lightweight
                    • Looks Great
                    • Precise Shifting

                    Cons

                      Best Uses

                      • Mountain Biking

                      Comments about Shimano M770 XT 9 Speed Cassette:

                      Very reliable long lasting cassette. The XT drivetrain shifts very precisely.

                      • Was this a gift?:
                      • No

                      Displaying reviews 1-10

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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.