Bottom Bracket Assembl
y
BB-UN55
B
B
-
U
N
5
4
B
B
-
U
N
5
4
Left Hand Adapter (B.C.1.37" x 24T) English Thread
for (Shell Width 68 mm / MM107)
Left Hand Adapter (B.C.1.37" x 24T) English Thread
for (Shell Width 68 mm / MM110 / LL113 / D-H / XL118 / D-NL / D-EL)
Left Hand Adapter (B.C.1.37" x 24T) English Thread
for (Shell Width 73 mm / MM107)
Left Hand Adapter (B.C.1.37" x 24T) English Thread
for (Shell Width 73 mm / MM110 / LL113 / XL118 / D-NL)
Left Hand Adapter (M36 x 24T) Italian Thread
for (Shell Width 70 mm / MM107)
Left Hand Adapter (M36 x 24T) Italian Thread
for (Shell Width 70 mm / MM110 / LL113 / D-H / XL118 / D-NL)
2
Y15507000
Crank Arm Fixing Bolt A
3
Y13009073
Adapter Removal Tool (TL-UN74-S
)
A
A: Same parts.
Apr.-2011-3281
© Shimano Inc. I
Absence of mark indicates non-interchangeability.
Specifications are subject to change without notice.
1
Y1AS02300
Y1AS02000
Y1AS02320
Y1AS02020
Y1AS02310
Y1AS02200
INTERCHANGE-
ABILITY
B: Parts are usable, but differ in materials, appearance, finish, size, etc.
CODE NO.
SHIMANO
ITEM
NO.
DESCRIPTION
B
B
-
U
N
5
4
TL-UN74-S
1
2
2
3
SEALED
CARTRIDGE
UNIT
BB-UN55
SINGAPORE
68
BC1.37 24
L
R
MM11
0
-
1
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