Shimano Ultegra ST-6870 Dealer's Manual page 74

MAINTENANCE
How to install the B axle
Temporarily assemble the B tension
spring, B body seal ring, stopper plate
and B axle to the B body.
2
Hold the stopper plate with pliers and
turn it counterclockwise. Push in the
stopper plate, turning it.
3
Hook the stopper plate on the stopper
claw on the bracket body.
4
Mount the B axle stop ring.
5
(E) (F)
(G)
(H)
74
(E)
B tension spring
(F)
Stopper plate
(G)
Stopper claw
CAUTION
Apply suffi cient grease on the B axle washer
before installation.
(H)
B axle stop ring