Shimano XTR FC-M980 Technical Service Instructions

1
3
• Chainring teeth combinations: 42-32-24T / 38-26T
• Bolt circle diameter: 104 mm...(For outer gear and middle gear), 64 mm...(For inner gear)
ITEM SHIMANO
DESCRIPTION
NO. CODE NO.
Crank Arm Fixing Bolt
1 Y1LR13000
Left Hand Crank Arm 165 mm
Y1LR98040
Left Hand Crank Arm 170 mm
Y1LR98050
2
Left Hand Crank Arm 175 mm
Y1LR98060
Left Hand Crank Arm 180 mm
Y1LR98070
Clamp Bolt (M6 x 15)
3 Y1E512100
Plate
4
Y1GE98050
Ring
5 Y1F316000
Left Hand Adapter (B.C.1.37" x 24T) English Thread
6 Y1LR98080
Spacer (2.5 mm)
7 Y1F813000
Inner Cover & O-Ring
8 Y1LR98090
O-Ring
9 Y1TF21000
Right Hand Adapter (B.C.1.37" x 24T) English Thread
10 Y1LR98100
Double Gear Fixing Bolt (M8 x 10.65 / 4 pcs.) for 32T A-Type
Y1LR98110
11
* Double Gear Fixing Bolt (M8 x 10.65 / 4 pcs.) for 32T B-Type
Y1LR98130
Inner Gear Fixing Bolt (M8 x 10.1 / 4 pcs.)
12 Y1H598160
Chainring 24T-AE
Y1LR24000
13
Chainring 32T-AE (A-Type) Discontinued
Y1LR98020
14
Chainring 32T-AE (B-Type) w/Fixing Bolt 4 pcs.
*
Y1LR98140
Chainring 42T-AE
15 Y1LR98010
Gear Fixing Bolt (M8 x 10.65) & Nut (4 sets)
16 Y1LR98120
Chainring 26T-AH
17 Y1LR26000
Chainring 38T-AH
Y1LR98030
18
A: Same parts.
B: Parts are usable, but differ in materirals, appearance, finish, size, etc.
Absence of mark indicates non-interchangeability.
Specifications are subject to change without notice.
XTR Front Chainwheel
FC-M980
2
3
6
7
8
5
9
4
9
A-Type
B-Type
12
17
18
7
7
10
12
11
13
5
14
38-26T
16
5
42-32-24T
15
INTERCHANGE-
ABILITY
A
B
B
B
B
A
A
A
A
A
A
A
A
Mar.-2012-3086A
©
Shimano Inc. I