Shimano 50, EC-100
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Category:  Front Derailleurs
Name:  Shimano 50, EC-100
Brand:  Shimano
Primary Group:  500
Model:  EC-100
Years:  1975 - ?
Country:  Japan
Weight:  130 grams
Added By: cinco on 11/01/07
Updated By: JFischer on 01/09/10
Additional Photos - click for full size
Shimano 50, EC-100Shimano 50, EC-100Shimano 50, EC-100Shimano 50, EC-100
# Rings Designed For DoubleOuter Plate MarkingsShimano 50
Inner Plate MarkingsNoneClamp Markings"Shimano" on front, "Shimano Japan {date code}" on back
Inner Clamp MarkingsNoneDesign CategoryParallelogram
Pivot Arm MarkingsPlate MaterialSteel
Clamp Style28.6mm ClampCable Attachment Bolt
CableStop YesClamp Bolt Type
Max Ring Difference 14T  
General Information
Almost identical to Shimano 60 front derailleur but with chromed steel body. Shown in 1975 catalog. Date code ZE.
Quality:Rarity:
 
 
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Additional Resources
Marketplace:
Resources:Reference & ChartsCatalogs
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
500Shimano1975 - 1980, Sport & RecreationView 5 Components
Details:   500 was Shimano's first "famous" touring group in the 70's. It was the forefather of the 600 full group, which was introduced in 1976. But they still produced 500 as a cheaper alternative of 600. End date also unknown but it seems, they stopped producing in the early 1980's.
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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