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Shimano XT FC-M770 Crankset

Item #: CR304A00
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Shimano XT M770 Hollowtech II crankset maximizes stiffness while keeping weight to a minimum. It features a precision two-piece construction for perfect chainline and chainwheel alignment and a carbon/steel composite middle ring for better shifting. This also increased service life, and smoothly delivers power to the cassette.
  • Increased stiffness and improved shifting performance
  • Fits 68/73mm BB shells
  • For use with 9 speed rear drivetrains
  • 22/32/44t
  • Uses external bottom bracket (included)
  • Weight(claimed): 850g

REVIEW SNAPSHOT®

by PowerReviews
 
4.8

(based on 18 reviews)

Ratings Distribution

  • 5 Stars

     

    (15)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Lightweight (4)
  • Smooth (4)
  • Well built / quality (4)

Cons

    Best Uses

    • XC (3)

    Reviewed by 18 customers

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    Displaying reviews 1-10

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    5.0

    Great bit of kit

    By Inheritor

    from Blue Mtns OZ

    Verified Reviewer

    Pros

    • price
    • Quality

    Cons

      Best Uses

        A massive upgrade from the stock cranks. Not only do they perform better, they look better too! Delivered within a week to OZ, great service.

         
        5.0

        Solid

        By Chet

        from Anaheim

        Verified Buyer

        Pros

        • Gearing
        • Light
        • Smooth
        • Strong

        Cons

          Best Uses

          • Mountian biking

          Way better than my old non hollow xt cranks. The weight is the big diffrence

           
          5.0

          Solid Performance, Great Price

          By MTBGrandpa

          from St. Louis, MO

          Verified Buyer

          Pros

          • Solid performance
          • value

          Cons

            Best Uses

            • Mountain biking

            I bought this crankset to replace the existing XT crankset on my mountain bike. At first I was concerned about using the 170mm instead of the 175's that I had been riding, but I didn't even notice a difference - except for maybe a few less pedal strikes while on the trail. I'm 5'9" and the cranks feel no different from the 175's that I replaced.

            Great Shimano quality, great JensonUSA price!

             
            4.0

            best i've had

            By raul-bikes

            from tijuana,b.c. mexico.

            Verified Buyer

            this is the best i've ever had for this price there's nothing better.

             
            5.0

            this product is good

            By tonito bikes

            from puerto rico

            Verified Buyer

            the delivery is perfect,congratulations, all roads,light weigth,

             
            5.0

            JENSONUSA is the best shimano dealer

            By Memphishadow

            from Eastvale,ca

            Verified Buyer

            Pros

            • Great price
            • Industry Standard
            • Stiff and durable

            Cons

            • Heavier than xtr

            Best Uses

            • Training and racing

            Shimano xt products are my Favorite components for all around riding in general. They're are very reliable , strong and easy to work on . They're stiffer than xtr and give me more for my money. I would only get the xtr if they're on sale. I wouldn't consider any other components other then shimano for MTB.

             
            4.0

            180mm cranks feel powerfull

            By Brian the lion

            from Natick, MA

            Verified Buyer

            Pros

            • Bearings smooth
            • Nice bearing fits
            • Nice Finish
            • Stiff

            Cons

              Best Uses

                I put these on my cross country hardtail. I tried the 180mm length for the 1st time and love it. I don't seem to be banging the crank arms on rocks and obstacles any more than usual. The advantage is that it feels like I'm spending more time in the most powerful part of the pedal stroke. I seem to be able to drop the cadence which also helps maintain clearance in rock gardens etc. These cranks feel stiff and efficient. Shifting is great.

                 
                4.0

                Solid feel

                By Kenny

                from Whittier California

                Verified Buyer

                Pros

                • Easy Instalation
                • Less expensive than rings
                • Light for the price
                • Solid feel

                Cons

                • Chain line off
                • Shifting

                Best Uses

                • All Mountain XC
                • All mountian XC

                I bought this to replace a 3 piece XT that came with the bike. Enduro pro 2003 vintage. I had just bought a set of FSA chain rings when the XT went on sale. Its a easy install but it moved the chain line about 1/8 of an inch outward using recomended shim placement. Overall it shifts poorly compaired to the FSA rings ( they were effortless and smooth). I bought this for the crankset not the chain rings. Its a great product with a very solid feel.

                 
                5.0

                Solid!

                By B for Biker

                from Edmonton, AB

                Verified Buyer

                Pros

                • Durable
                • Great finish
                • Strong

                Cons

                  Best Uses

                  • all mountain
                  • Light freeride
                  • XC

                  Tried and proven! These have been around for a while now and there's a reason why they are still selling well and so popular. It's affordable, relatively lightweight, great quality, and BB design is solid and hassle free. Get one if you want a problem free clean looking set of cranks.

                   
                  5.0

                  very good crankset

                  By Andre Tatu

                  from Brasilia, Brazil

                  Verified Reviewer

                  Pros

                  • BEAUTIFUL
                  • durability
                  • Installation
                  • Lightweight

                  Cons

                    Best Uses

                      Has already ran over 2000 km without any problem. Great crankset. Lightweight, durable, very good. And beautiful.

                      Displaying reviews 1-10

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