Shimano Ultegra CS-6700 10-Speed Cassette

Item # SH-CS6700
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Shimano Ultegra CS-6700 10-Speed Cassette
The Shimano Ultegra 6700 10-Speed Cassette is a tried and true standard for 10-speed drivetrains. Striking a perfect balance between durability and light weight, you'll be assured of many, many miles of flawless shifting performance no matter if it's for road or cyclocross bikes. Shimano has machined the cogs to provide precision shifting under load while the nickel-plated steel cogs themselves are super strong. Additionally, it's perfectly fine for either Shimano or SRAM 10-speed set-ups.
  • Aluminum carrier for the three largest cogs provides light weight and increased stiffness
  • Nickel-plated steel cogs are built to last
  • Individual cog teeth have been machined down to near perfection to improve shifting under load
  • Compatible with Shimano and SRAM 10-speed components
Shimano Ultegra CS-6700 10-Speed Cassette
  • WEIGHT 209g (11x23T)
  • MATERIAL Nickel-plated steel
  • COMPATIBILITY Shimano/SRAM 10-speed drivetrain
  • SIZE 1 11-12-13-14-15-16-17-19-21-23
  • SIZE 2 11-12-13-14-15-17-19-21-23-25
  • SIZE 3 11-12-13-14-15-17-19-21-24-28
  • SIZE 4 12-13-14-15-16-17-18-19-21-23
  • SIZE 5 12-13-14-15-16-17-19-21-23-25
  • SIZE 6 N/A
  • Rating 4.5
  • Catalog Item 1

REVIEW SNAPSHOT®

by PowerReviews
Shimano Ultegra CS-6700 10-Speed Cassette
 
4.6

(based on 54 reviews)

98%

of respondents would recommend this to a friend.

Pros

  • Precise shifting (43)
  • Durable (38)
  • Easy to install (38)
  • Lightweight (37)
  • Enhances pedaling efficiency (24)

Cons

No Cons

Best Uses

  • Road biking (51)
    • Reviewer Profile:
    • Avid cyclist (36), Competitive cyclist (10), Casual/ recreational (8)
    • Was this a gift?:
    • No (51)

Reviewed by 54 customers

Displaying reviews 1-10

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5.0

Shifts flawlessly even with 30T

By mccyclist

from San Diego

About Me Avid Cyclist

See all my reviews

Verified Buyer

Pros

  • Durable
  • Enhances Pedaling Efficiency
  • Lightweight
  • Precise Shifting

Cons

    Best Uses

    • Road Biking

    Comments about Shimano Ultegra CS-6700 10-Speed Cassette:

    I bought this (12-30T) even though my RD-7900 Dura Ace derailleur spec sheet from Shimano recommends the largest cassette with 28T. My local LBS installed it with no complications. I have a standard crank (53/39) & it sure helps having the extra gear for climbing. Don't recommend having the chain on 53 & 30-too much strain-shouldn't use that combination anyway

    • Was this a gift?:
    • No

    Comment on this reviewHelp Icon

    (1 of 1 customers found this review helpful)

     
    4.0

    I can climb hills now!

    By RuDy

    from Silver Spring Md

    About Me Avid Cyclist

    See all my reviews

    Pros

    • Durable
    • Easy To Install
    • Precise Shifting

    Cons

      Best Uses

      • Road Biking

      Comments about Shimano Ultegra CS-6700 10-Speed Cassette:

      Needed that 30 tooth cassette to climb hills. Losing the 11 cog for a 12 was not noticeable, and very worthwhile for me. I did have to adjust the B tension screw on my 6700 RD, and did need a longer chain.

      • Was this a gift?:
      • No

      Comment on this reviewHelp Icon

       
      5.0

      hill helper

      By RuDy

      from Silver Spring Md

      About Me Avid Cyclist

      See all my reviews

      Verified Buyer

      Pros

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

      Cons

        Best Uses

        • Road Biking

        Comments about Shimano Ultegra CS-6700 10-Speed Cassette:

        Replaced 11x25 with 12x30 on 53x39 chainrings...now I can climb hills without falling over! Have not noticed the loss of 11x to 12x but then again i dont ride 30+ mph (except on steep downhills.

        • Was this a gift?:
        • No

        Comment on this reviewHelp Icon

         
        5.0

        Yes I would recommend this to a friend

        By Luis A.

        from Puerto Rico

        About Me Avid Cyclist

        See all my reviews

        Verified Buyer

        Pros

        • Easy To Install
        • Precise Shifting

        Cons

          Best Uses

          • Road Biking

          Comments about Shimano Ultegra CS-6700 10-Speed Cassette:

          Great pricing + delivery

          • Was this a gift?:
          • No

          Comment on this reviewHelp Icon

           
          5.0

          quality as advertised

          By hdDan

          from wisconsin

          About Me Avid Cyclist

          Verified Buyer

          Pros

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

          Cons

            Best Uses

            • Road Biking

            Comments about Shimano Ultegra CS-6700 10-Speed Cassette:

            took it out of packaging and shocked at gear stack movement. carefully unstacked it, watched a video, and assembly was pretty easy.

            • Was this a gift?:
            • No

            Comment on this reviewHelp Icon

             
            5.0

            Good for climbing, but expect wide ratios.

            By Andersun16

            from Upper Black Eddy, Pa

            About Me Avid Cyclist

            See all my reviews

            Verified Buyer

            Pros

            • Durable
            • Easy To Install
            • Lightweight

            Cons

            • None

            Best Uses

            • Road Biking

            Comments about Shimano Ultegra CS-6700 10-Speed Cassette:

            This fit perfectly on my Super Six with Di2 Ultegra shifting. The low gear is nice on climbs but comes at the expense of wider gaps between gears everywhere else. You'll need to determine if that trade off works for you.

            • Was this a gift?:
            • No

            Comment on this reviewHelp Icon

             
            5.0

            Ultegra Cassette

            By Biker

            from Springfiled, MA

            About Me Casual/ Recreational

            See all my reviews

            Verified Buyer

            Pros

            • Durable
            • Easy To Install
            • Improve Shifting

            Cons

            • Poor Instructions

            Best Uses

            • Road Biking

            Comments about Shimano Ultegra CS-6700 10-Speed Cassette:

            This is an upgrade to original equipment.

            • Was this a gift?:
            • No

            Comment on this reviewHelp Icon

            (1 of 1 customers found this review helpful)

             
            3.0

            Japanese quality?

            By Wheelchaser

            from West Palm Beach, Fl.

            About Me Competitive Cyclist

            See all my reviews

            Verified Buyer

            Pros

            • Easy To Install

            Cons

            • Shoddy Finish

            Best Uses

            • Road Biking

            Comments about Shimano Ultegra CS-6700 10-Speed Cassette:

            it if wasn't because the special price, I would have sent it back; the retaining threaded lock ring couldn't grab the thread to lock all the gears into place since the 11 tooth gear was defective, the side that faced the locking ring was deformed like molten. To my fortune I had another gear from another cassette handy and replaced it with it. First time ever to see such shoddy manufacturing from Shimano

            • Was this a gift?:
            • No

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            5.0

            New Cassette

            By TC

            from Chantilly, VA

            About Me Competitive Cyclist

            Verified Buyer

            Pros

            • Easy To Install
            • Precise Shifting

            Cons

              Best Uses

              • Road Biking

              Comments about Shimano Ultegra CS-6700 10-Speed Cassette:

              Great pricing and delivery

              • Was this a gift?:
              • No

              Comment on this reviewHelp Icon

               
              5.0

              Shimano

              By ACard

              from FANWOOD, NJ

              About Me Casual/ Recreational

              See all my reviews

              Verified Buyer

              Pros

              • Lightweight

              Cons

                Best Uses

                  Comments about Shimano Ultegra CS-6700 10-Speed Cassette:

                  I haven't installed it yet, I bought the cassette for a up grade project I will working on this winter. I'm still riding the bike I plan on up grading too.
                  I'm up grading from a Shimano 8 speed system to 10.
                  My purchase was based on reviews, cost and the the brand name "SHIMANO"... Need I say more, loyalty to the brand

                  • Was this a gift?:
                  • No

                  Comment on this reviewHelp Icon

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                  Shimano Ultegra CS-6700 10-Speed Cassette

                  Shimano Ultegra CS-6700 10-Speed Cassette

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