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| Category: | Front Derailleurs |
| Name: | SunTour FD-XC00-GX, XC 9000 |
| Brand: | SunTour |
| Primary Group: | XC 9000 |
| Model: | FD-XC00-GX |
| Years: | 1987 - 1989 |
| Country: | Japan |
| Weight: | 110 grams (Spec) |
| Added By: | Swede on 11/11/13 |
| Updated By: | Swede on 05/12/20 |
Additional Photos - click for full size |
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 Verify Component Photos |
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# Rings Designed For  | Triple | Outer Plate Markings | Suntour XC 9000 |
| Inner Plate Markings | Maeda Ind. Japan GX and date stamp | Clamp Markings | |
| Inner Clamp Markings | None or Ø31.8 | Design Category | Parallelogram |
| Pivot Arm Markings | | Plate Material | Chrome plated steel |
| Clamp Style | 28.0 mm Clamp; 28.6mm Clamp;
31.8mm Clamp | Cable Attachment Bolt | 4mm Allen Key |
| CableStop | No | Clamp Bolt Type | 4mm Allen Key |
| Max Ring Difference | 24T | | |
| Component Groups |
| Primary Group Name | Brand | Quick Info | Browse Group Components |
| XC 9000 | SunTour | 1987 - 1989, Mountain Bike | View 28 Components |
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
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N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
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1971 |
1972 |
1973 |
1974 |
1975 |
1976 |
1977 |
1978 |
1979 |
1980 |
1981 |
1982 |
1983 |
| |
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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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SunTour Month Code
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A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
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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)
