Roto Scorpion (black & chrome; undrilled pulley cage)
Main Photo
Category:  Rear Derailleurs
Name:  Roto Scorpion (black & chrome; undrilled pulley cage)
Brand:  Roto
Primary Group:  Roto Competition
Model:  REF 9006
Years:  1982 - ?
Country:  Italy
Weight:  229 grams (Actual)
Added By: Catnap on 01/16/14
Updated By: peterbman on 07/10/14
Additional Photos - click for full size
Roto Scorpion (black & chrome; undrilled pullRoto Scorpion (black & chrome; undrilled pullRoto Scorpion (black & chrome; undrilled pullRoto Scorpion (black & chrome; undrilled pullRoto Scorpion (black & chrome; undrilled pull
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Outer Plate MarkingsROTOInner Plate Markings
MaterialAluminum Alloy; SteelDesign CategoryDrop Parallelogram
Attachment Bolt SizeCable Attachment Bolt Size
Shifting SystemsFrictionCable AdjusterNo
Cage LengthShortMax Cog Size22
Max Chain Wrap26T  
General Information
Design is a based on the Huret Challenger.
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Additional Resources
Resources:Reference & Charts
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
Roto CompetitionRotoView 7 Components
Brand Information(click to expand)
 Part of the Rampinelli Company, produced parts such as pedals and headsets in the mid 1970's and into the 1980's.  Also produced cast lugs, BB shells and some poorly executed copies of french derailleurs.
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