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What's the difference between "S-Works" and "Specialized" carbon cranks?

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What's the difference between "S-Works" and "Specialized" carbon cranks?

Old 10-17-12, 04:35 PM
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SB-Rider
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What's the difference between "S-Works" and "Specialized" carbon cranks?

Is there a difference between 2010 S-Works carbon cranks and Pro carbon cranks? Looking on their website at 2010 Tarmacs, for example, the cranks on the S-Works look like the ones on the Tarmac Pro except the the graphics on the cranks say "S-Works" and the Pro says "Specialized". Are they the same cranks, or are the S-Works "stronger and lighter".

Thanks
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Old 10-17-12, 05:34 PM
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3kmi
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They're the same, just different graphics
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Old 10-18-12, 12:17 PM
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Originally Posted by 3kmi View Post
They're the same, just different graphics
Thanks 3kmi
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Old 10-18-12, 02:41 PM
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They are not the same. The S-Works crank comes with the S-Works carbon spider whereas the Pro crank comes with a slightly heavier alloy spider.
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Old 10-18-12, 03:01 PM
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Thanks topflightpro. But the crank arms are the same?
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Old 10-18-12, 03:06 PM
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For 2013:

PRO:
Pro FACT Carbon crankset with oversided BB and removeable spider, has an unparalleled stiffness to wieght ratio for efficiency and power transfer

S-Works:
Specialized S-Works FACT carbon crankset with OSBB, removable carbon spider, and ceramic bearings, plus SRAM's pro tour-proven Red rings for a feather-light package with max power-transfer
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Old 10-18-12, 03:26 PM
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Thanks Gofster but asking about 2010 models, not 2013. The 2010 S-Works Tarmac Dura-Ace pictured on the Spesh website has an alloy spider, not carbon.

The description of the 2010 S-Works Tarmac reads: S-Works oversized BB FACT carbon crankset combines high strength and light weight for unparalleled efficiency and power transfer

and the Tarmac Pro reads:
Specialized Pro oversized BB FACT carbon crankset combines high strength and light weight for unparalleled efficiency and power transfer


Visually I don't see a difference on the arms other than the graphics, one says "S-Works" and the other says "Specialized". So ... the crank arms are the same?
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Old 10-20-12, 03:06 PM
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I have cranks that look like the current ones, but I'm not sure what year one of them is.

2010 or 2011 Specialized crank - 175mm / 52/36 - comes with alloy spider
- 556g for complete crankset
- 149g for Left Arm
- 237g for Right Arm + Alu Spider
- 34g for 36t chainring
- 116g for 52t chainring


2011 S-works crank - 172.5 50/34 - comes with carbon spider
- 520g for complete crankset
- 152g for Left Arm
- 223g for Right Arm w/Carbon Spider
- 30g for 34t chainring
- 99g for 'S-works' 50t chainring


So, I think to answer your question, if you look at the 'Left Arm' weights the Crank arms are indeed the same aside from paint. The chainrings look to be 20g heavier due to higher tooth count, and the metal spider looks to be 15g heavier.
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Old 10-21-12, 10:14 AM
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Thanks jmx, awesome explanation.
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