Technical FAQ: Campy Chorus 9-speed derailleur with 10-speed drivetrain.
- By Lennard Zinn
- Published Sep. 9, 2009
- Updated Aug. 29, 2010 at 10:36 PM EDT
Dear Lennard,
Can I use a Chorus 9-speed rear derailleur with 10-speed cogs, chain & Ergo shifters?
-Mark
Dear Mark,
Yes, as long as the wider jockey wheel cage does not contact your spokes.
-Lennard
FILED UNDER: Technical FAQ TAGS: 10-speed / 9-speed / chain / compatibility / FAQ / Lennard Zinn / shifting / spokes
Lennard Zinn
Lennard Zinn, our longtime technical writer, joined VeloNews in 1987. He is also a frame builder, former U.S. national team rider, and author of many bicycle books including Zinn and the Art of Mountain Bike Maintenance, Zinn and the Art of Road Bike Maintenance and Zinn’s Cycling Primer: Maintenance Tips and Skill Building for Cyclists. He holds a bachelor’s in physics from Colorado College. Readers can send brief technical questions to Ask LZ.