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| Category: | Bottom Brackets |
| Name: | Sealed bottom bracket |
| Brand: | SunTour |
| Model: | SS-110 |
| Years: | 1982 - 1985 |
| Country: | Japan |
| Weight: | 326 grams |
| Added By: | cinco on 11/27/07 |
| Updated By: | Swede on 10/10/22 |
Additional Photos - click for full size |
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| Bearing Size/Count per side | 1/4" / 11x11 | Spindle Markings | |
| Fixed Cup Markings | Unscrew --> (lockring marked "Suntour Japan {threading}") | Adjustable Cup Markings | <-- Unscrew {date code} (lockring marked "Suntour-II Japan {threading}") |
| Spindle Style | Square Taper (ISO) | Axle Material | Steel |
| Available Threadings | English/ISO: 1.370 x 24 | Length(s) | |
| Tools Needed | | | |
| Component Variations | View Detailed List Manage Variations |
| Variations of Component exist (Component is 1 of 3) | Brand | Group |
| Sealed bottom bracket | SunTour | |
| Sealed bottom bracket | SunTour | |
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)
