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• Chainring teeth combinations: 40-28T / 42-30T / 44-30 T
• Bolt circle diameter: 88 mm
ITEM
SHIMANO
DESCRIPTION
NO.
CODE NO.
Crank Arm Fixing Bolt
1
Y1LR13000
Left Hand Crank Arm 170 mm
Y1LS98040
Left Hand Crank Arm 172.5 mm
Y1LS98050
2
Left Hand Crank Arm 175 mm
Y1LS98060
Left Hand Crank Arm 180 mm
Y1LS98070
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 7) & Nut (4 sets)
11
Y1LS98080
Chainring 28T-AG
Y1LS28000
12
Chainring 30T-AF
Y1LS30000
Chainring 40T-AG
Y1LS98030
Chainring 42T-AF
13
Y1LS98010
Chainring 44T-AF
Y1LS98020
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-M985
2
6
7
8
9
9
7
7
10
5
12
11
13
INTERCHANGE-
ABILITY
A
A
A
A
A
A
A
A
A
Sep.-2010-3099
©
Shimano Inc. I
A
A
A
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