Shimano EC-500
Main Photo
Category:  Front Derailleurs
Name:  Shimano EC-500
Brand:  Shimano
Primary Group:  500
Model:  EC-500
Years:  1978 - Early 1980's
Country:  Japan
Weight:  136 grams (Actual)
Added By: Peddie on 02/06/10
Updated By: Peddie on 02/25/10
Additional Photos - click for full size
Shimano EC-500Shimano EC-500Shimano EC-500
# Rings Designed For DoubleOuter Plate MarkingsUniglide Shimano 500
Inner Plate MarkingsShimano Product of JapanClamp MarkingsBack: [Clamp size] (1 1/8) [date code] Front: Shimano
Inner Clamp Markings[Clamp size]Design CategoryParallelogram
Pivot Arm MarkingsPlate MaterialSteel
Clamp Style25.4mm Clamp; 28.6mm ClampCable Attachment Bolt8mm Wrench
CableStop Clamp Bolt Type8mm Wrench
Max Ring Difference 14T  
General Information
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Additional Resources
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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