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10
13
11
13
11
13
ITEM
SHIMANO
DESCRIPTION
NO.
CODE NO.
Lock Ring & Spacer for 11T
Y-1YZ
98010
1
Lock Ring & Spacer for 12T
Y-1YZ
98020
Lock Ring Spacer for 11T
Y-10Z
04000
2
Y-11W
02000
Lock Ring Spacer for 12T
3
Y-1Z8
1100D
Sprocket Wheel 11T (Built in spacer type)
Sprocket Wheel 12T (Built in spacer type)
4
Y-1Z8
1200D
Sprocket Wheel 13T (Built in spacer type)
*
Y-1Z8
1300D
5
Sprocket Wheel 14T
Y-1YZ
1400D
6
Sprocket Wheel 15T
Y-1YZ
1500D
7
Y-1YZ
1600D
Sprocket Wheel 16T
8
Y-1YZ
98030
Sprocket Unit (17-18T) for 11-21T
Sprocket Unit (17-18T) for 12-23T
Y-1YZ
98040
Sprocket Unit (17-19T) for 11-23T
9
Y-1YZ
98050
Sprocket Unit (17-19T) for 12-25T, 12-27T
Y-1YZ
98060
Sprocket Unit (17-19T) for 11-25T, 11-27T, 11-28T
Y-1YZ
98070
Y-1YZ
98080
Sprocket Unit (19-21T)
10
Y-1YZ
98090
Sprocket Unit (21-23T)
Sprocket Unit (19-21-23T)
Y-1YZ
98100
Sprocket Unit (21-23-25T)
Y-1YZ
98110
11
Sprocket Unit (21-24-27T)
Y-1YZ
98120
Sprocket Unit (21-24-28T)
Y-1YZ
98130
12
Y-1Z8
05100
Sprocket Spacer (t=2.35 mm)
13
Y-1Z8
07000
Low Spacer (t=1.0 mm)
Lock Ring Removal Tool (TL-LR15)
14
Y-120
09230
A: Same parts.
B: Parts are usable, but differ in materirals, appearance, finish, size, etc.
Absence of mark indicates non-interchangeability.
DURA-ACE Cassette Sprocket
CS-7900
9
8
7
12
12
9
7
6
5
12
9
8
7
12
12
10-Speed
CS-7900 sprocket teeth combinations
11 - 21 T
11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 21 T
11 - 23 T
11 - 12 - 13 - 14 - 15 - 16 - 17 - 19 - 21 - 23 T
11 - 25 T
11 - 12 - 13 - 14 - 15 - 17 - 19 - 21 - 23 - 25 T
11 - 27 T
11 - 12 - 13 - 14 - 15 - 17 - 19 - 21 - 24 - 27 T
11 - 28 T
11 - 12 - 13 - 14 - 15 - 17 - 19 - 21 - 24 - 28 T
12 - 23 T
12 - 25 T
12 - 27 T
6
5
4
3
1
2
1
4
3
2
6
5
4
1
2
12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 21 - 23 T
12 - 13 - 14 - 15 - 16 - 17 - 19 - 21 - 23 - 25 T
12 - 13 - 14 - 15 - 16 - 17 - 19 - 21 - 24 - 27 T
11T Top Gear Type
TL-LR15
14
12T Top Gear Type
INTERCHANGE-
ABILITY
A
A
A
A
A
A
A
B
B
A
A
A
A
0810-2869A
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