Specifications are subject to change without notice. 1. Y1AS02300. Y1AS02000. Y1AS02320. Y1AS02020. Y1AS02310. Y1AS02200
Bottom Bracket Assembly
BB-UN55
2 1
S
CA
L A
E
R UNTRID IT G
D
E E
BB
-UN
55
SIN
GA
BC
L
68
PO
RE
1.3
7
MM
110
24
R
2
TL-UN74-S
BB -U N5 4
3
ITEM NO.
SHIMANO CODE NO. Y1AS02300 Y1AS02000 Y1AS02320
1 Y1AS02020 Y1AS02310 Y1AS02200 2 3
Y15507000 Y13009073
DESCRIPTION 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) Crank Arm Fixing Bolt Adapter Removal Tool (TL-UN74-S)
A: Same parts. B: Parts are usable, but differ in materials, appearance, finish, size, etc. Absence of mark indicates non-interchangeability.
Specifications are subject to change without notice.
