SunTour HB-SL01-F, SL
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Category:  Hubs
Name:  SunTour HB-SL01-F, SL
Brand:  SunTour
Primary Group:  SL
Model:  HB-SL01-F
Years:  1991 - 1994
Country:  Japan
Added By: steel-is-real on 10/29/11
Updated By: steel-is-real on 10/29/11
Additional Photos - click for full size
SunTour HB-SL01-F, SL
Gear Compatibility Front Hub OnlyFront Bearing Size/Count3/16" 9x9
Rear Bearing Size/CountRear Spacing
Spoke Drilling32; 36Flange SizeLow Flange
Gear Threading/Pattern Body MarkingsSuntour, Japan, Date Code
Axle MaterialSteelShell MaterialAluminum
General Information
 
Quality:Rarity:
 
 
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Additional Resources
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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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