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Old 10-10-09, 06:53 PM   #1
Lawrence08648
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difference PD-M520 and PD-M540

What is the difference between the Shimano PD-M520 and PD-M540 pedals?
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Old 10-10-09, 07:02 PM   #2
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20
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Old 10-10-09, 07:04 PM   #3
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Bearings, construction, axle, and weight.
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Old 10-10-09, 07:07 PM   #4
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sorry, i forgot.
the correct answer was -20
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Old 10-10-09, 07:44 PM   #5
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Aluminum body on the 540 saves a little weight. Both have steel axles and adjustable tension.
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Old 10-11-09, 11:14 AM   #6
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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.
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Old 10-12-09, 12:34 PM   #7
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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.
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Old 10-12-09, 01:02 PM   #8
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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.
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Old 10-12-09, 01:18 PM   #9
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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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Old 10-12-09, 01:26 PM   #10
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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.
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Old 10-12-09, 02:09 PM   #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.
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Old 10-12-09, 03:41 PM   #12
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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.
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Old 10-12-09, 03:45 PM   #13
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Wow, even the 520's use the same bearings. (#Y41N 98030)
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Old 10-19-09, 07:26 PM   #14
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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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