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| Category: | Cranksets |
| Name: | SunTour CW-SB10, Superbe Pro |
| Brand: | SunTour |
| Primary Group: | Superbe Pro |
| Model: | CW-SB10 |
| Years: | 1987 - 1994 |
| Country: | Japan |
| Weight: | 634 grams (Spec),
for 52/42 170mm Arm Length |
| Added By: | movinyl on 08/26/12 |
| Updated By: | Don Buska on 03/06/18 |
Additional Photos - click for full size |
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| Chainring Count | Double | BCD  | 130mm |
| BB Style | Square Taper (JIS) | Pedal Threads | 9/16" x 20 (English) |
| BB Length | 112mm | Flutes | None |
| Lengths | 165; 167.5; 170; 172.5; 175 | Arm/Spider Material | Aluminum Alloy |
| Front Markings | Suntour Superbe Pro | Back Markings | Suntour Crankarm Length |
| Extractor Threading | 22x1mm (Standard) | | |
| Component Groups |
| Primary Group Name | Brand | Quick Info | Browse Group Components |
| Superbe Pro | SunTour | 1981 - 1994, Road Race | View 46 Components |
| Details: Suntour's Superbe Pro competition components are the very best bicycle components you can buy. Their simple and elegant styling, outstanding quality in materials and finish, extremely precise design and manufacturing tolerances and race-proven efficiency assure optimum performance and looks for any custom frame. |
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)
