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PostPosted: Mon May 14, 2012 9:58 am 
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Location: Urbana, Illinois
http://www.specialized.com/us/en/bc/SBC ... spid=64458

I know these are similar to the Lightning cranks. Anybody have a weight arms only? Like the Lightning will they work with the Zipp bottom bracket?

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PostPosted: Mon May 14, 2012 10:03 am 
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Location: Drenthe, Holland
Plans to make your bike lighter Juan?

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PostPosted: Mon May 14, 2012 3:39 pm 
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Lighter is alway an option I like but not the motive behind it. I had a hidden bolt fail on my 4 year plus 25,000 mile Zipp VumaQuad's. I have a replacement bolt on the way but something happening always starts the thought process. Plus I can pick up a set of arms pretty cheap and if it plays nice with my VumaQuad bottom bracket it may be something to consider. Especially if combined with some Specialties TA Heoga rings winds up being lighter. :beerchug:

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PostPosted: Mon May 14, 2012 11:48 pm 
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They will not work with Zipp bb, because the spindle is much shorter than Lightning. They are supposed to work only with BB30/PF30/OSBB.

Regarding the weigh, I have a set of arms on the way, so I can report back. (I also have Lightnings, and can try and compare the)

I think they are a little heavier than Lightning, but are stiffer, and have better ankel clerance. (a problem for me with the Lightnings)

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PostPosted: Tue May 15, 2012 7:33 am 
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Related to this topic, Lightning's 130/74 BCD triple spider is compatible with the Specialized crank. So, if anyone wanted a triple option in a lightweight BB30 crank, the S-Works/Lightning spider is a way to do it.



Image

Image

The Specialized carbon double spider weighs 53 grams, so a triple crank would weigh additionally only that of a 30t chainring (32 grams), 5 bolts (22 grams), spacers (5 grams), and 5 grams more for the spider. This works out to about 64 grams.


Quote:
FEATURES
FACT SL high-strength carbon construction
Available in standard 130mm and compact 110mm
Carbon spider-specific aluminum chainring bolts
Weight (compact): 45g
Weight (standard): 53g


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PostPosted: Tue May 15, 2012 8:40 am 
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Location: New Zealand
Sorry its not arms only but its the closest I got. It includes the spider and SRAM BB30 kit.


Attachments:
image2.jpg
image2.jpg [ 5.23 KiB | Viewed 13716 times ]
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PostPosted: Sat May 19, 2012 5:21 pm 
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Just got the crankarms, the weight for a 175mm, with no spider or bearings are 316g

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PostPosted: Wed May 23, 2012 3:49 am 
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Would the rings be in the right position using a specialized spider with lightning cranks? Since the bottom bracket and spindle width is narrower on the BB30 cranksets wouldn't the spiders have more "offset" so to speak than spiders for the lightning cranks?
If you add the 2.5mm per side of the bottom bracket plus the 7mm or so for the bottom bracket cup that is a big change in the where the spider needs to sit. Maybe you flip the specialized spiders around?


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PostPosted: Wed May 23, 2012 4:04 am 
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My complete crank/bb (compact alloy spider, steel bearings, Rival rings) came in at 578gms.


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PostPosted: Thu Sep 20, 2012 5:37 pm 
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Reviving an old thread. I have a question about these cranksets. Is there any disadvantage (or advantage) to the split spindle, instead of a one-piece spindle found on most other cranksets?


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PostPosted: Sun Sep 23, 2012 2:03 pm 
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Pretty reliable. I have a set on my tarmac and they have 13,000 kilometres on them and no creaking, nice and stiff.

The Hirth joint is also used by campag for their cranks.

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PostPosted: Sun Sep 23, 2012 3:45 pm 
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im going to order a pair of the 2013 cranks soon and try them out. Ill post some picts when I get them.

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PostPosted: Mon Nov 05, 2012 12:23 pm 
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Has any one got the 2013 carbon cranks with carbon spiders yet?
Also has any one got the full weight on these yet?
Just trying to work out the saving over my super record 11


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PostPosted: Fri Jul 12, 2013 3:57 pm 
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http://img9.imageshack.us/img9/3426/1xke.jpg" onclick="window.open(this.href);return false;

guys, check that picture, be careful with Specialized cranks, I almost killed myself today, I'm a cyclist for 16 years and this never happened to me with any shimano cranks, race face or fsa!!!

Looks like several days ago spindle just cracked(i didn't know about it, I just judged by myself by way of crack) and today just broke completly. I talked with few experienced bike mechanics and they said that Spec's crankset are weak like that.

BE CAREFUL, it's really not cool when this brakes!!!


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PostPosted: Sat Jul 13, 2013 12:08 am 
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Location: Burbank, CA
The thru bolt held them together, correct? Did you crash?

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