Mavic 870 (MTB)  (Report Pending)
Main Photo
Category:  Rear Derailleurs
Name:  Mavic 870 (MTB)
Brand:  Mavic
Primary Group:  870 (MTB)
Model:  870 (MTB)
Years:  1990 - 1994
Country:  France
Weight:  250 grams (Spec),
as listed in 1991 Mavic Catalogue
Added By: martl on 07/20/08
Updated By: Xab on 02/24/22
Additional Photos - click for full size
Mavic 870 (MTB)Mavic 870 (MTB)
 Verify Component Photos
Outer Plate MarkingsInner Plate Markings
MaterialAluminum Alloy; SteelDesign Category
Attachment Bolt SizeCable Attachment Bolt Size
Shifting SystemsCable AdjusterYes
Cage LengthMax Cog Size
Max Chain Wrap  
General Information
Mavic MTB derailleur. It originally had a green-yellow sticker on it that covered the black plate. Works only with the Mavic shifters and on Mavic cogs. Stainless steel bolts and snap rings, fully disassemblable. This derailleur is derived from the 840 road derailleur and has jockey wheels with needle bearings. It is indexable for 6 or 7 speeds using the Mavic 825 levers.
Reported By:Xab
Report Date:2/24/2022
Report Reason:Incorrect Content, This component reference is incorrect. This derailleur is the Mavic 845.
Outstanding Report Submitted  
Additional Resources
Resources:Reference & ChartsCatalogsExternal Resources
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
870 (MTB)MavicView 3 Components
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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