Mavic 801
Main Photo
Category:  Rear Derailleurs
Name:  Mavic 801
Brand:  Mavic
Model:  801
Years:  1970's - Mid 1980's
Country:  France
Weight:  175 grams
Added By: JFischer on 08/03/07
Updated By: JFischer on 08/16/10
Additional Photos - click for full size
Mavic 801
Outer Plate MarkingsMAVICInner Plate Markings
MaterialAluminum AlloyDesign Category
Attachment Bolt Size6mm Allen KeyCable Attachment Bolt Size
Shifting SystemsFrictionCable AdjusterNo
Cage LengthShortMax Cog Size32
Max Chain Wrap36  
General Information
The 801 was made in the 70's and early 80's, however by that time was a bit outdated as it didn’t have Suntour’s sloping parallelogram which was vastly superior. It does have hollow titanium bolts and pivots, and a very light aluminium cage and parallelogram. It is also completely dismantleable.  The 801 was produced at least through the 84 model year as shown in the 83/84 Mavic Catalog as one of their two derailleurs.  The 851 was the higher end version of the 801 during this time period and can be recognized from the 801 by having a white pin stripe around the edge of the jockey cage.
The 801/851 was replaced in the early 90's by the 840 (double) / 841 (triple), which had a more up-to-date geometry (sloping parallelogram).
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Additional Resources
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Resources:Reference & ChartsCatalogsExternal Resources
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
Mavic 801 (1986)Mavic
Brand Information(click to expand)
 Mavic is best known for its lightweight aluminum rims and complete wheels, which they continue to produce today.  They also produced a full range of drive train components in the past.  Mavic made a failed attempt to popularize an electronic shifting system in the early 90's.
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