Campagnolo RD09-MI3, Mirage 9 Speed Triple Medium Cage
Main Photo
Category:  Rear Derailleurs
Name:  Campagnolo RD09-MI3, Mirage 9 Speed Triple Medium Cage
Brand:  Campagnolo
Primary Group:  Mirage
Model:  RD09-MI3
Years:  1999 - 2000
Country:  Italy
Weight:  289 grams (Spec),
1999 Campagnolo Catalog
Added By: Wolfram Verktyg on 03/10/10
Updated By: Wolfram Verktyg on 03/02/19
Additional Photos - click for full size
Campagnolo RD09-MI3, Mirage 9 Speed Triple MeCampagnolo RD09-MI3, Mirage 9 Speed Triple Me
Outer Plate MarkingsCampagnolo MIRAGE 9 SPEEDInner Plate Markings
MaterialAluminum Alloy; SteelDesign CategoryDrop Parallelogram
Attachment Bolt Size6mm Allen KeyCable Attachment Bolt Size5mm Allen Key
Shifting SystemsCable AdjusterYes
Cage LengthMediumMax Cog Size28
Max Chain Wrap37T  
General Information
This model rear derailleur appears in the 1999 and 2000 Campagnolo Catalogs. The outer parallelogram plate is chrome plated aluminum with these raised letters: Campagnolo MIRAGE 9 SPEED. The 1999 Catalog lists this as Model RD09-MI3, the 2000 Catalog as RD99-M309. The replacement parts appear to be the same. The outer medium length pulley cage plate is stamped aluminum while the inner is stamped steel.

Campagnolo used a narrower pulley cage and pulleys to work with a 9 speed chain on these derailleurs. Previous models were designed for wider 8 speed chains. I'm running an SRAM 6-7-8 speed chain and an 8 speed Shimano cassette with no problems.

These were designed to work with Campagnolo Ergo Power 9 speed brake/shift levers (brifters). I'm using Campagnolo Doppler Retrofriction down tube shifters and they friction shift as smoothly as any index system thanks to the upper puller with lateral float which allows the chain to self center on the sprocket.

I've listed a matching braze-on triple front derailleur under Campagnolo Mirage-T FD-11SM13
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Additional Resources
Resources:Reference & ChartsCatalogsExternal Resources
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
MirageCampagnoloSport & RecreationView 6 Components
Details:   Mirage really falls below the level of what one would consider a Road Race worthy groupset, but it is still designed for road bikes.
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