SunTour SL  (Report Pending)
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Category:  Rear Derailleurs
Name:  SunTour SL
Brand:  SunTour
Primary Group:  SL
Model:  RD-SL00-SSB
Years:  1991 - 1994
Country:  Japan
Weight:  191 grams
Added By: steel-is-real on 04/04/09
Updated By: peterbman on 05/05/18
Additional Photos - click for full size
SunTour SLSunTour SLSunTour SLSunTour SLSunTour SLSunTour SL
 Verify Component Photos
Outer Plate MarkingsSunTour SLInner Plate MarkingsMaeda Ind. VIA, Date Code (GI), Japan
MaterialAluminum AlloyDesign CategorySlant parallelogram
Attachment Bolt Size5mm Allen KeyCable Attachment Bolt Size5mm Allen Key
Shifting SystemsSunTour AccuShift
Friction
Cable AdjusterYes
Cage LengthShortMax Cog Size24
Max Chain WrapMaximum chain-ring differential 10T  
General Information
 
Reported By:GT_04
Report Date:8/22/2024
Report Reason:Incorrect Content, The chainring tooth difference can be more than 10 teeth, these came with a 52-39 option, not just a 52-42
 
Quality:Rarity:
 
 
Outstanding Report Submitted  
Additional Resources
Resources:Reference & ChartsCatalogsExternal Resources
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
SLSunTour1991 - 1994, Road RaceView 15 Components
Details:   Early 90's group (found in 92 catalog)
Brand Information(click to expand)

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
1984
1985
1986
1987
1988
1989
1990
1991
1992

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)

 
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