SunTour a-3000 (2nd version)
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Category:  Front Derailleurs
Name:  SunTour a-3000 (2nd version)
Brand:  SunTour
Model:  FD-3000-GT
Years:  1980's
Country:  Japan
Added By: JFischer on 03/29/10
Updated By: JFischer on 03/29/10
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SunTour a-3000 (2nd version)
 Verify Component Photos
# Rings Designed For DoubleOuter Plate Markings
Inner Plate MarkingsClamp MarkingsSunTour
Inner Clamp MarkingsDesign CategoryParallelogram
Pivot Arm MarkingsSunTour a-3000Plate MaterialNickle plated steel
Clamp Style28.6mm ClampCable Attachment Bolt8mm Wrench
CableStop NoClamp Bolt Type
Max Ring Difference   
General Information

Budget front derailleur from SunTour in the mid to late 80s.  This appears to be a later version than the other a-3000 listed on VeloBase.com.

Quality:Rarity:
 
 
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Additional Resources
Resources:Reference & ChartsCatalogsExternal Resources
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 3)BrandGroup
SunTour a-3000SunTour
SunTour a-3000 (triple; 2nd version)SunTour
Brand Information(click to expand)

SunTour (Maeda)

SunTour derailleurs have a two-letter date code. On rear derailleurs the code is stamped on the back side of the inner parallel arm. On front derailleurs it is stamped on the back side of the inner cage.

The first letter represents the year. Larry Osborn and I believe O (Oh) is 1972, V is 1979 and A is 1984. As with Shimano, the second letter is the month code, where A is January and L is December.

SunTour Year Code

N
O
P
Q
R
S
T
U
V
W
X
Y
Z
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
 
A
B
C
D
E
F
G
H
I
1984
1985
1986
1987
1988
1989
1990
1991
1992

SunTour Month Code

A
B
C
D
E
F
G
H
I
J
K
L
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The earliest Suntour derailleur I have found with a code is marked OF. A rear derailleur marked OD (corresponding to April of 72) was reported by Leighton Walter. I have a bike that dates from between 1970 to 1972 that has the original SunTour derailleurs. These derailleurs do not have date codes on them, so I believe the coding started sometime between 1970 and April of 1972.

(source: vintage-trek.com)

 
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