Shimano launches carbon Dura-Ace crankset
Shimano have officially launched the new Dura-Ace crankset FC-7800C.
Surprisingly, the crankset actually hides an alloy core. The alloy frame provides the structural rigidity; the interlaced and wrapped carbon keeps the weight down. The reason Shimano haven't gone down a complete carbon route is that they constantly found that although weight decreases with the use of carbon, so does the rigidity.
The halfway house certainly hasn't had a detrimental effect to the weight. Analysing the numbers, Shimano are claiming 709g for the complete crankset including the bottom bracket. SRAM's recently launched RED crankset tips the scales at a claimed 780g (including bottom bracket
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Posted at 06:03PM Aug 30, 2007 by Simon Bullen in Cycling | Comments[2]
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Yup and the Campagnolo Record 2007 carbon crank set comes in at a 698g including bottom bracket and cups.
I know which one I want...
Posted by Chris Gerhard on August 30, 2007 at 06:39 PM BST #
Yeah, and isn't even close to as stiff. I feel it flex when I'm out of the saddle ;O
Posted by alex on April 14, 2008 at 07:30 PM BST #