DEORE XT Front Chainwheel
FC-T780
Chain Guard Type
16
17
1 2
3
18
6
7
8
5
9
3
4
9
7
15
7
10
12
11
13
5
14
15
" Bolt circle diameter: 104 mm...(For outer gear and middle gear), 64 mm...(For inner gear)
ITEM SHIMANO INTERCHANGE-
DESCRIPTION
NO. CODE NO. ABILITY
Crank Arm Fixing Bolt A A A
1 Y1F811100
Left Hand Crank Arm 165 mm (Silver) A B
Y1MM98010
Left Hand Crank Arm 165 mm (Black) A B
Y1MM98020
Left Hand Crank Arm 170 mm (Silver) A B B
Y1MM98030
Left Hand Crank Arm 170 mm (Black) A B B
Y1MM98040
2
Left Hand Crank Arm 175 mm (Silver) A B B
Y1MM98050
Left Hand Crank Arm 175 mm (Black) A B B
Y1MM98060
Left Hand Crank Arm 180 mm (Silver) A B
Y1MM98070
Left Hand Crank Arm 180 mm (Black) A B
Y1MM98080
Clamp Bolt (M6 x 19) & Washer A A B
3 Y1KS98030
Plate A A A
4 Y1FU98120
Ring A A A
5 Y1F316000
Left Hand Adapter (B.C.1.37" x 24T) English Thread A B A
6 Y1J198080
Spacer (2.5 mm)
7 Y1F813000
Inner Cover & O-Ring A B A
8 Y1E598210
O-Ring A A A
9 Y1TF21000
Right Hand Adapter (B.C.1.37" x 24T) English Thread A B A
10 Y1J198090
Double Gear Fixing Bolt (M8 x 9.1) & Nut (4 sets) A B B
11 Y1MP98010
Inner Gear Fixing Bolt (M8 x 8.5 / 4 pcs.) A B B
12 Y1MM98100
Chainring 26T A B A
13 Y1J226000
Chainring 36T-AL A B
14 Y1MP98020
Chainring 48T-AL A B
Y1MN98010
15
Chainring 48T-AL for Chain Guard A B
Y1MP98060
Chain Guard & Fixing Bolts A B
16 Y1MP98080
Chain Guard Fixing Bolt (4 pcs.) A B
17 Y1D298010
Chain Guard A B
18 Y1MP12000
Jun.-2010-3166
A: Same parts.
B: Parts are usable, but differ in materials, appearance, finish, size, etc. © Shimano Inc. I
Absence of mark indicates non-interchangeability.
Specifications are subject to change without notice.
K
K
K
-
-
-
1
1
1
1
1
1
1
1
1
7
7
7
8
8
8
5
5
5
7
7
7
7
7
7
5
5
5
T
T
T
T
T
T
M
M
M
-
-
-
-
-
-
-
-
-
C
C
C
C
C
C
C
C
C
F
F
F
F
F
F
F
F
F