Alternate chain ring set to become available for 7800 usage

Shimano carbon crankset compatible with Dura-Ace 7900/7800

The Shimano’s carbon fibre Dura-Ace crankset FC-7800C. launched at Eurobike last year, will now be compatible with both this years 7900 series and the 7800 series.

To run the 7800 series, Shimano are manufacturing a special chain ring set. The introduction of the updated 7900 series this year meant that the decision to run the crankset with the 7800 had to be re-thought.

As announced recently, the new Dura-Ace 7900 has a further refined front shifting performance and trimming of the big chain ring is no longer needed. These features were made possible by a new chain ring design and new front derailleur of Dura-Ace 7900.

FC-7800C has an aluminum core to realize a lightweight yet very rigid construction. By using this technology, Shimano developed a crankset that combines the best of both materials. The aluminum frame ensures a stiff set-up for optimal power transfer, while using carbon saves weight. The weight of this crankset (including bottom bracket) is 715 grams.

This state-of-the-art crankset will be available in gear combinations 53/39T and 52/39T in crank arm lengths 170, 172.5 and 175mm.

Available as after market product from end of December 2008

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