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Shimano M640 Zee Shift Lever

USD$24.99 29% off USD$34.99 msrp
Item #: SL245A00
USD$24.99 29% off USD$34.99 msrp
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Shimano M640 Zee Shift Lever

Zee is Shimano’s new line of Gravity-specific components, designed and priced for those of us who do not have multi-million dollar sponsors. Specifically designed as a rear-only lever for 1x10 drivetrains, the M640 Zee shifter features crisp, consistent Dyna-Sys shifts and 2-way release. The Zee shifter's ergonomics make for an extremely comfortable, intuitive setup for the best performance when ascending or descending. The lever body is built for hard wear and tough usage, to continue working even after impact. Paired up with a Zee or Saint rear derailleur, you will be equipped to tackle any trail, no matter how gnarly.

Features :

  • Dyna-Sys 10-speed shift lever, rear only (1x10 specific)
  • Rapid Fire Plus
  • 2-way release (upshifts actuate with thumb or index finger)
  • Textured Shifter Levers
  • Linear Shift Effort
  • Shimano Shift cable included
  • Shimano Part Number: ISLM640RA
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REVIEW SNAPSHOT®

by PowerReviews
Shimano M640 Zee Shift Lever
 
4.5

(based on 21 reviews)

Ratings Distribution

  • 5 Stars

     

    (10)

  • 4 Stars

     

    (11)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to use (12)
  • Durable (11)
  • Lightweight (7)
  • Easy to install (6)
  • Attractive (4)

Cons

  • Heavy / bulky (3)

Best Uses

  • Mountain bikes (12)
  • Mountain biking (4)
    • Reviewer Profile:
    • Avid cyclist (12), Casual/ recreational (7)
    • Was this a gift?:
    • No (19)

Reviewed by 21 customers

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Displaying reviews 1-10

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4.0

Great shifter at good price

By Dlux

from Tucson

About Me Avid Cyclist

Verified Buyer

Pros

  • Easy to Use

Cons

  • Bulky

Best Uses

  • Mountain Bikes

Comments about Shimano M640 Zee Shift Lever:

Great shifter for the price.

  • Was this a gift?:
  • No
 
4.0

GREAT SHIFTER

By Gnezis

from Nogales Arizona

About Me Casual/ Recreational

Verified Buyer

Pros

  • Durable
  • Easy to Use
  • Lightweight
  • Versatile

Cons

  • Not So Cool Design

Best Uses

    Comments about Shimano M640 Zee Shift Lever:

    Great product, great brand and quality, will be better with a better design i think

    • Was this a gift?:
    • No
     
    4.0

    upgrade

    By davido

    from riverside

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Durable
    • Easy to Use
    • Lightweight

    Cons

      Best Uses

      • Mountain Bikes

      Comments about Shimano M640 Zee Shift Lever:

      Used with a new drivetrain, shadow derailer, Shimano chain and slx cassette. All shifted perfectly with a simple install.

      • Was this a gift?:
      • No
       
      4.0

      Working great so far

      By Grip It and Rip It

      from Nashville, TN

      About Me Competitive Cyclist

      Pros

      • Good Pricetoweight Ratio
      • Good Priceweight Ratio
      • Quality

      Cons

        Best Uses

        • Mountain Bikes

        Comments about Shimano M640 Zee Shift Lever:

        I should say upfront that I have only had the shifter for a month, so long-term durability is still to be determined.
        So far though, the shifter has performed very well and has worked exactly as intended with an also newly installed Zee rear derailleur. In general, Zee seems to just be a great combination of all the trickle-down technology Shimano has on offer - I really think it's great value for your dollar for the entire Zee line and this shifter appears to be no different.
        The large triggers initially seemed a little too large coming from my previous shifters, but a month in, I can't say I really notice at all - so, no complaints really.
        For those that care about weight - my shifter weighed in at 129 grams.

        • Was this a gift?:
        • No
         
        5.0

        Great for 1x drivetrains

        By nebmac

        from Kansas City, MO

        About Me Avid Cyclist

        Verified Reviewer

        Pros

        • Durable
        • Easy to Use
        • Versatile

        Cons

        • No Indicator

        Best Uses

        • Mountain Bikes

        Comments about Shimano M640 Zee Shift Lever:

        Shifts great - when paired with a clutched RD it's maybe not as smooth as it old traditional setups, but that's to be expected.

        Certainly a durable product that has not degraded at all after months of use.

        Even though they add weight and can break off in a crash, I'm still a fan of Shimano's indicator on the bar to know what gear you're in. Wish that came stock.

        • Was this a gift?:
        • No
         
        5.0

        Great Product. Great Value

        By Lee

        from South Yarmouth, MA

        About Me Avid Cyclist

        Verified Reviewer

        Pros

        • Durable
        • Easy to install
        • Easy to Use

        Cons

        • None at all

        Best Uses

        • Mountain Bikes

        Comments about Shimano M640 Zee Shift Lever:

        I was looking for a ten speed shifter for my first 1x10 drivetrain and considered a few different options including the more expensive Saint shifter. However, after reading many reviews it seemed people really liked this "budget" shifter.

        I can now see why. It was a snap to install and after a while of fine tuning I would never consider having to spend more to get results like these. The gears shift smoothly and precisely and with my Zee rear it has been faultless. Very crisp. If you are looking for a well thought out product then this is the one to go for.

        Enjoy

        • Was this a gift?:
        • No

        (0 of 1 customers found this review helpful)

         
        4.0

        Solid shifter

        By rumblefish

        from Sydney AU

        About Me Avid Cyclist

        Verified Buyer

        Pros

        • Easy to Use

        Cons

          Best Uses

          • Commuting
          • Mountain Bikes

          Comments about Shimano M640 Zee Shift Lever:

          Solid

          • Was this a gift?:
          • No
           
          5.0

          m640 zee

          By EZ

          from Boise, ID

          About Me Casual/ Recreational

          Verified Buyer

          Pros

          • Easy to Use

          Cons

            Best Uses

            • Mountain Bikes

            Comments about Shimano M640 Zee Shift Lever:

            Bought this to upgrade my drivetrain. This shifter is paired with Deore m615 medium cage der, it works awesome, shifts smooth as butter. I run a 1x10 setup with a narrow wide chainring. There's no indicator to let you know about what approximate gear you're in, but I think that it's a feature, for this burly shifter that's one less thing to worry about when you crash.

            • Was this a gift?:
            • No
             
            5.0

            Quality rear shifter

            By Luisriva

            from Guatemala, Guatemala

            About Me Casual/ Recreational

            Verified Reviewer

            Pros

            • Attractive
            • Easy to Use
            • Lightweight

            Cons

              Best Uses

              • Mountain Bikes

              Comments about Shimano M640 Zee Shift Lever:

              This right shifter has the usual mid range Shimano quality. Performs great with positive action and feeling. I decided to change a 3x9 system into a 1x10 using better components. ZEE is the lightweight downhill line from Shimano and it feels and looks like a SLX without the gear indicator.

              • Was this a gift?:
              • No
               
              4.0

              good shifter

              By jcd

              from mississippi

              About Me Avid Cyclist

              Verified Reviewer

              Pros

              • Durable
              • Easy to Use

              Cons

                Best Uses

                • Mountain Bikes

                Comments about Shimano M640 Zee Shift Lever:

                good for the price. used with zee rd no issues.

                • Was this a gift?:
                • No

                Displaying reviews 1-10

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                Get free shipping with your $50 purchase today when you choose Standard Shipping at 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

                 

                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.