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| Category: | Rear Derailleurs |
| Name: | SunTour BL - Blue Line |
| Brand: | SunTour |
| Primary Group: | BL - Blue Line |
| Model: | RD-3200 |
| Years: | 1980 - ? |
| Country: | Japan |
| Weight: | 212 grams (avg)
View Weight List |
| Added By: | TIOS on 02/28/08 |
| Updated By: | JFischer on 11/11/09 |
Additional Photos - click for full size |
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| Outer Plate Markings | suntour BL | Inner Plate Markings | Maeda Industries Ltd. JAPAN [Date Code] |
| Material | Aluminum Alloy | Design Category | Slant parallelogram |
| Attachment Bolt Size | 6mm Allen Key | Cable Attachment Bolt Size | 8mm Wrench |
| Shifting Systems | Friction | Cable Adjuster | Yes |
| Cage Length | Short | Max Cog Size | 24 |
| Max Chain Wrap | 24t | | |
| Component Groups |
| Primary Group Name | Brand | Quick Info | Browse Group Components |
| BL - Blue Line | SunTour | 1980 - , Road Race | View 4 Components |
| Details: Originally priced group between that of the Vx and Cyclone parts. |
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)
