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| Category: | Front Derailleurs |
| Name: | SunTour Seven |
| Brand: | SunTour |
| Primary Group: | Seven |
| Model: | FD-1400 |
| Years: | N/A |
| Country: | Japan |
| Added By: | Catnap on 07/23/11 |
| Updated By: | Catnap on 07/23/11 |
Additional Photos - click for full size |
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 Verify Component Photos |
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# Rings Designed For  | Double | Outer Plate Markings | Suntour 7 |
| Inner Plate Markings | Maeda Industries, LTD. 4532 JAPAN VL | Clamp Markings | Suntour |
| Inner Clamp Markings | | Design Category | Parallelogram |
| Pivot Arm Markings | Suntour | Plate Material | Chrome plated steel |
| Clamp Style | 28.6mm Clamp | Cable Attachment Bolt | Screw |
| CableStop | No | Clamp Bolt Type | Flat Head Scewdriver |
| Max Ring Difference | | | |
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 |
|
|
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1984 |
1985 |
1986 |
1987 |
1988 |
1989 |
1990 |
1991 |
1992 |
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|
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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)
