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  1. #1
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    difference PD-M520 and PD-M540

    What is the difference between the Shimano PD-M520 and PD-M540 pedals?

  2. #2
    worship satan. johnnytheboy's Avatar
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    20
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    ^pedalroom.

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    lungbuster estabro's Avatar
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    Bearings, construction, axle, and weight.

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    worship satan. johnnytheboy's Avatar
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    sorry, i forgot.
    the correct answer was -20
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    Aluminum body on the 540 saves a little weight. Both have steel axles and adjustable tension.

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    Spinning @ 33 RPM Glynis27's Avatar
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    I could never see the difference besides a tiny bit of weight. I have 3 sets of the 520s because they are only $35 and have worked flawlessly.
    1989 Fuji Saratoga
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  7. #7
    Rat Bastard mcoomer's Avatar
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    I've got a pair of each and I can't tell any difference in riding them. I would imagine that the weight savings of the aluminum body on the 540 is minimal and won't be noticeable anywhere but on the scale.
    It's better to burn out than fade away...or slip out of your pedal and face plant on the side of the road!!!

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  8. #8
    use your best eye kenhill3's Avatar
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    I've got a couple of pairs of the 520's. 100% satisfied.

    According to Jenson's listings, there is a 20gram difference between the two.Price is about $40 and $90 respectively. Is that weight savings worth an additional $50? Not for me.
    "I tell you, We are here on earth to fart around, and don't let anybody tell you any different." - Kurt Vonnegut jr.

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    Pint-Sized Gnar Shredder Zephyr11's Avatar
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    Speaking of, I'd love to know the difference between the 540 and XT. 2 grams? The color? $50? Anyone have any idea whatsoever?

    540: http://bike.shimano.com/publish/cont...40.-type-.html
    XT: http://bike.shimano.com/publish/cont..._mountain.html

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    use your best eye kenhill3's Avatar
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    Quote Originally Posted by Zephyr11 View Post
    Speaking of, I'd love to know the difference between the 540 and XT. 2 grams? The color? $50? Anyone have any idea whatsoever?
    540 and XT both have a published weight of 350grams, and both priced (at Jenson) for about $90.

    XTR, by the way, are 325grams and $135. Waste of money, IMO.
    "I tell you, We are here on earth to fart around, and don't let anybody tell you any different." - Kurt Vonnegut jr.

  11. #11
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    I have both, which I've only used on the road. The 540 are a bit lighter and supposedly have better bearings and better sealing. The 520 (I have about 300 miles on them) have a good reputation and they work fine.

  12. #12
    lungbuster estabro's Avatar
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    Quote Originally Posted by Zephyr11 View Post
    Speaking of, I'd love to know the difference between the 540 and XT. 2 grams? The color? $50? Anyone have any idea whatsoever?

    540: http://bike.shimano.com/publish/cont...40.-type-.html
    XT: http://bike.shimano.com/publish/cont..._mountain.html
    Must be the aerodynamic black paint.


    540 Tech Docs
    XT Docs

    The parts are all interchangeable. Pretty funny.

  13. #13
    lungbuster estabro's Avatar
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    Wow, even the 520's use the same bearings. (#Y41N 98030)

  14. #14
    Shop Wench
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    Quote Originally Posted by Lawrence08648 View Post
    What is the difference between the Shimano PD-M520 and PD-M540 pedals?
    M520: Structural part #2 in the exploded views is plastic. A special splined tool is used for assembly because the plastic is too weak for normal wrench flats.

    M540: Structural part #2 in the exploded views is metal. Standard hex sided wrench flats.

    M770: I think parts of it are stainless.

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