Shimano FC-T8000 Dealer's Manual page 11

INSTALLATION
Threaded bottom bracket
Spacer installation method
1
2
Install the cups.
Band type
Chain case
stay type
Check whether the width of the bottom
bracket shell is 68 mm or 73 mm.
(z)
68 mm
(B) (C)
(A)
(D) (C)
(A)
(z)
Bottom bracket shell width
73 mm
(B) (C)
(D) (C)
11
(A)
2.5 mm spacer
(B)
1.8 mm spacer
(C)
0.7 mm spacer
(D)
Chain case stay