SunTour CB-3100, Superbe Pro (short reach)
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Category:  Brakes
Name:  SunTour CB-3100, Superbe Pro (short reach)
Brand:  SunTour
Primary Group:  Superbe
Model:  CB-3100
Years:  1979 - 1983
Country:  Japan
Weight:  315 grams, per pair
Added By: Gazelleer on 08/12/17
Updated By: Gazelleer on 08/14/17
Additional Photos - click for full size
SunTour CB-3100, Superbe Pro (short reach)SunTour CB-3100, Superbe Pro (short reach)SunTour CB-3100, Superbe Pro (short reach)SunTour CB-3100, Superbe Pro (short reach)
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Design Category Single PivotCable AdjusterInfinite
Quick Release YesAttachment Bolt TypeExterior or Recessed
Cable Attachment Bolt5mm Allen KeyFront of Arm MarkingsSuperbe
Back of Arm Markings4000Reach CategoryShort reach
Min Reach39mmMax Reach49mm
General Information
From 1979 to 1983 these had several minor updates. Earlier versions have SUPERBE stamped into the arm, while later examples have a printed text. The later versions also have a more shiny finish. Paired with CB-3200 levers, the set was sold as CB-3000 according to the 1983 brochure. '4000' on the back of the arm indicates the short reach model, '4700' being the long reach version.

The first version in the 1979 brochure is shown with the black plastic dipped wheels guides of the CB-1000 while all later versions had bare alloy wheel guides.

Quality:Rarity:
 
 
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Additional Resources
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Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
SunTour CB-4700, Superbe Pro (long reach)SunTourSuperbe
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
SuperbeSunTour1977 - 1985, Road RaceView 28 Components
Details:   Face lift to "Superbe II" in 1983
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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