a
b
1
1
T
H
Y
P
E
R
G
L
I
D
E
-
C
J
A
P
A
N
U
.
S
.
P
A
T
4
2
6
8
2
5
9
L
O
C
K
4
0
0
k
g
/
c
m
O
N
A
M
I
H
S
Installation of the sprockets
The 6 sprockets are secured by means of rivets.
Lock ring
a
b
1
1
T
H
Y
P
E
R
G
L
I
D
E
-
C
J
A
P
A
N
U
.
S
.
P
A
T
4
2
6
8
2
5
9
L
O
C
K
4
0
0
k
g
/
c
m
O
N
A
M
I
H
S
The 5 sprockets are secured by means of rivets.
For each sprocket, the surface that has the group mark
should face outward and be positioned so that the
triangle (U) mark on each sprocket and the A part (where
the groove width is wide) of the freewheel body are
aligned.
For installation of the HG sprockets, use
the special tool (TL-LR15) to tighten the
lock ring.
The groove is wide
at one place only.
a
c
-
1
4
T
A
U mark
Tightening torque:
30 - 50 N·m {261 - 434 in. lbs.}
Lock ring
Tool
(TL-SR21)
Disassembly
Assembly
TL-LR15
Gears
TL-LR15
Group name Tooth combination
11, 13, 15, 17, 20, 23, 26, 30T
11, 13, 15, 17, 20, 23, 26, 34T
11, 13, 15, 18, 21, 24, 28, 32T
Cassette sprocket tooth combination
8
an
ao
aw
11, 13, 15, 17, 19, 21, 24, 28Tbf
11, 13, 15, 18, 21, 24, 28T11 ,ac7
One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003
Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222
3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan
Please note: specifications are subject to change for improvement without notice. (English)
© Sep. 2008 by Shimano Inc. XBC SZK Printed in Singapore.
General Safety Information
WARNING
• Check that the wheels are fastened securely before riding the bicycle. If the
wheels are loose in any way, they may come off the bicycle and serious
injury may result.
• Obtain and read the service instructions carefully prior to installing the
parts. Loose, worn or damaged parts may cause the bicycle to fall over
and serious injury may occur as a result. We strongly recommend only
using genuine Shimano replacement parts.
• Obtain and read the service instructions carefully prior to installing the
parts. If adjustments are not carried out correctly, the chain may come off
and this may cause you to fall off the bicycle which could result in serious
injury.
• Read these Technical Service Instructions carefully, and keep them in a
safe place for later reference.
Note
• Always be sure to use the sprocket set bearing the
same group marks. Never use in combination with a
sprocket bearing a different group mark.
• Be sure to read the service instructions for the Rear
Drive System in conjunction with these service
instructions.
• Parts are not guaranteed against natural wear or
deterioration resulting from normal use.
• For maximum performance we highly recommend
Shimano lubricants and maintenance products.
• For any questions regarding methods of installation, adjustment,
maintenance or operation, please contact a professional bicycle dealer.
Technical Service Instructions SI-0077A-001
Cassette sprocket
g
a
-
18
T
-
S
H
I
M
A
N
O
H
Y
P
E
R
G
L
I
D
E
C
a
g
-
1
5
T
a
g
-
1
3
T
Group marks
8-gears
7-gears
Sprocket spacers
(1.2mm)
To replace the HG sprockets, use the special tool (TL-LR15)
and TL-SR21 to remove the lock ring.
-
1
Shimano CS-HG30-8I Service Instructions
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- Service Instructions
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