Shimano BB-MT800 Manual - Page 24
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MAINTENANCE
Replacing chainrings
FC-M8000-3 / FC-M7000-10-3 Triple chainring type
With the marked side of the largest chainring facing outward, set the largest chainring so
that the chain drop prevention pin is positioned under the crank arm.
1
(C)
Set the middle chainring and the smallest chainring so that the marked sides face inward
and the alignment tab on each chainring is positioned under the crank arm.
2
(B)
(A)
(B)
(A)
24
(A)
Mark
(B)
Crank arm
(C)
Chain drop prevention pin
Largest chainring / Middle chainring
Tightening torque
10 - 12 N·m
(A)
Crank arm
(B)
Alignment tab
Smallest chainring
Tightening torque
16 - 17 N·m