Shimano ALFINE S7051 Series Dealer's Manual page 31

INSTALLATION
Installation of the hub to the frame
• When the rear dropout is the reversed type
Rear dropout
• When the rear dropout is the straight drop type
Rear dropout
Installation angle of non-turn
washer and motor unit
5R (yellow) /
5L (brown)
Installation angle of non-turn
washer and motor unit
8R (blue) /
8L (green)
31
Rear dropout shape
Rear dropout shape
30°
Installation angle of non-turn
washer and motor unit
7R (black) /
7L (gray)
Installation angle of non-turn
washer and motor unit
9R (light brown) /
9L (light green)