SunTour XC Sport 7000
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Main Photo
Category:  Brakes
Name:  SunTour XC Sport 7000
Brand:  SunTour
Primary Group:  XC Sport 7000
Model:  CB-6600
Years:  1987 - 1988
Country:  Japan
Added By: Elev12K on 12/05/11
Updated By: euphras on 10/26/13
Additional Photos - click for full size
SunTour XC Sport 7000SunTour XC Sport 7000
 Verify Component Photos
Design Category Roller CamCable Adjuster
Quick Release Attachment Bolt TypeDual Post Braze-on
Cable Attachment BoltFront of Arm Markings
Back of Arm MarkingsReach CategoryRoller Cam Mounts
Min ReachMax Reach
General Information
Roller cam by Suntour

WTB/Cunningham patent
Quality:Rarity:
 
 
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Additional Resources
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Resources:Reference & ChartsCatalogsExternal Resources
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
XC Sport 7000SunTour1987 - 1988, Mountain BikeView 6 Components
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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