Shimano ED-100 Thunder Bird
Main Photo
Category:  Front Derailleurs
Name:  Shimano ED-100 Thunder Bird
Brand:  Shimano
Model:  ED-100
Years:  1974 - ?
Country:  Japan
Weight:  190 grams
Added By: cinco on 11/07/07
Updated By: JFischer on 12/12/07
Additional Photos - click for full size
Shimano ED-100 Thunder Bird
# Rings Designed For DoubleOuter Plate MarkingsThunder Bird
Inner Plate MarkingsMade in JapanClamp MarkingsShimano {clamp size}
Inner Clamp MarkingsNoneDesign CategoryParallelogram
Pivot Arm MarkingsPlate MaterialChrome plated steel
Clamp Style25.4mm Clamp; 28.6mm ClampCable Attachment Bolt9mm Wrench
CableStop YesClamp Bolt Type9mm Wrench
Max Ring Difference 16T  
General Information
Example with holes in cage is GTO (stamped on top of cage) and has date code YG. Other is standard Thunder Bird and has no date code. Both are shown in 1979 Shimano parts catalogue.
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Additional Resources
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Resources:Reference & ChartsCatalogs
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 3)BrandGroup
Shimano ED-200, Thunder Bird GPOShimano
Shimano Thunder Bird GTOShimano
Brand Information(click to expand)

Shimano Model Number Prefix List:

BB Bottom Bracket BL Brake Lever BR BRake
CB Coaster Brake CJ Cassette Joint CN ChaiN
CP Chain Protecto CR Chain Ring CS Cassette Sprockets
DF chain DeFlector DH Dynamo Hub FC Front Crank
FD Front Derailleur FE Fork Ends FH FreeHub
FS Front Suspension HB HuB HD HanDle bar
HP Head Parts (Head Set) HS Handle Stem IF Inter-3 Freehub
LP LamP MF Multi Freewheel PD PeDal
RD Rear Derailleur RH Rollerbrake Hub RM RiM
RR ReflectoRs RS Rear Suspension SB Shift Brake lever (Nexus, ?)
SC Speed Calculator (cycle computer) SF Single Freewheel Freilaufritzel SG Speed chanGe hub
SH SHoes SL Shift Lever Schalthebel SM SMall parts
SP Seat Post SQ Seat Quick release SS Single Sprocket
TL TooL WH WHeel ST Shift Brake Lever (STI, Rapid Fire, etc)
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