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Technical FAQ: Shimano 7900 chains and 7800 derailleurs

  • By Lennard Zinn
  • Published Sep. 9, 2009
  • Updated Aug. 29, 2010 at 10:36 PM EDT

Regarding Shimano 7900 chains:

Dear Lennard,

After consulting Shimano tech reps we were advised that the 7900 chain was compatible with the 7800 series rear derailleur, we installed one on a customer’s bike.

Needless to say it shifted like crap and decided to stick with an original Dura-Ace chain. Perhaps someone else has better luck with this and we are behind the curve with our skills!

We saved the customer some bucks and the drive train worked just like a fine watch.

-
JD

FILED UNDER: Bikes and Tech / Technical FAQ TAGS: / / / / / /

Lennard Zinn

Lennard Zinn

Our longtime technical writer joined VeloNews in 1987. He is also a framebuilder, a former U.S. National Team rider, and author of many bicycle books, including Zinn and the Art of Mountain Bike Maintenance and Zinn and the Art of Road Bike Maintenance, as well as Zinn and the Art of Triathlon Bikes and Zinn's Cycling Primer: Maintenance Tips and Skill Building for Cyclists. He holds a Bachelor’s degree in physics from Colorado College. Readers can send brief technical questions to Ask LZ.

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