Shimano ALFINE S7051 Series Dealer's Manual page 23

INSTALLATION
Names and example locations of each part
Installation of sprockets to the hub (SG-S7051-11 / SG-S7051-8 / SM-S705)
Install the following parts to the driver on the right side of the hub body.
• SG-S7051-11 : Right-hand dust cap D
• SG-S7051-8 : Right-hand dust cap B
Next, install the sprocket and secure it in place with the snap ring.
(x)
Outward assembling: MU-UR510 only
(y)
Inward assembling: Compatible with all motor units
(z)
Note the direction
Internal geared hub
SG-S7051-11
SG-S7051-8
Number of teeth on sprocket
Sprocket
Outward
assembling
SM-GEAR 16T to 23T
CS-S500
SM-GEAR 16T to 23T
CS-S500
(x)
(A)
(B)
(C)
Inward assembling
20T to 23T
18T, 20T
18T to 23T
18T, 20T
(y)
(z)
(D)
23
(A)
Snap ring
(B)
Sprocket
(C)
Driver
(D)
Right-hand dust cap B (SG-S7051-
8) / Right-hand dust cap D
(SG-S7051-11)
NOTICE
•
If using the MU-UR510 motor unit, outward
assembling of the sprocket is possible.
•
CS-S500 can only be used on models
without a chain guide.