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Easton EA90 Cinch Spider/Ring Assembly

$127.49

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    • Black, 39/53t
      $127.49
    • Black, 36/52t
      $127.49

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    2 Reviews

    Double up your EC90 crank.

    Easton's EA90 Cinch Spider/Ring Assembly allows you to add a double chainring setup to your Easton EC90 SL crankarms. Constructed from Easton's EA90 aluminum and anodized matte black, this setup consists of a CINCH direct mount spider with three ring combinations: compact 34/50t, mid-compact 36/42t, and standard 39/53t. It results in a 45mm chainline that is optimized to work best with road bike chainstay lengths and rear dropout spacing. To ensure crisp and effortless shifting, Easton went through no less than seven rounds of revisions and refinements aided by rigorous lab testing and real-world racing under the Silber Pro Cycling team. The end result is rings that shift as well and transmits power as efficiently as anything from the big three. Easton machined the rings for maximum weight savings without losing stiffness and the optimized shift ramps and pins help guide the chain allowing you to execute clean shifts under power.

    • A spider/chainring combo for Easton EC90 SL cranks
    • Spider in a CINCH direct mount
    • 34/50t, 36/52t, and 39/53t combos available
    • Precision engineered to shift crisp and clean under power
    • Aluminum construction is durable, stiff, and long-lasting
    • Item #EAS002H
    Learn more

    Material
    EA90 aluminum
    Number of Rings
    2
    Teeth
    34/50t, 36/52t, 39/53t
    Connection
    CINCH direct mount
    Compatible Components
    EC90 SL cranks
    Claimed Weight
    [34/50t] 227g, [36/52t] 242g, [39/53t] 255g
    Recommended Use
    cycling
    Manufacturer Warranty
    2 years
    Learn more

    Tech Specs

    What do you think about this product?

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    The image is incorrect...

    Familiarity:
    I've used it several times

    for the 47-32T, 46-36T, and 46-30T chainrings. If you go to Easton's website, they have two categories of chainrings: "Shifting Rings", which are available in 53-39T, 52-36T, 50-34T, and "Gravel Rings", which are available in 47-32T, 46-36T, and 46-30T. The image that CC is using for all of the chainrings is a picture of the Shifting Rings, which have different graphics than the Gravel Rings. I purchased the 46-30T chainring, which has the number D40483 stamped on the small chainring. I hope that info helps somebody that is looking to replace their Easton chainrings. Unfortunately, I had to purchase a 46-30T replacement because I sheared off the 30T chainring on my Easton 46-30T combo while riding a steep trail while in my biggest 34T cog. The chainrings were 1 month old. I emailed Raceface, and they told me that the torque spec for the bolt that holds the drive side crank arm to the left side crank arm is 50-60 Nm.

    Installs in a Cinch

    Familiarity:
    I've put it through the wringer

    Wanted to go from 1x to 2x with my Easton cranks and these did the trick. Spider is easy to install and shifting is good. Rings have a little flex if you press on them with your fingers, but once on the bike and in use, I had no issues.

    Is the bolt pattern on the spider the same as the Dura Ace 9100 4-bolt asymmetric? I'm wondering if I can run my DA chainrings on this spider.

    Will this work with a 10-speed drivetrain?