Shimano EP801 User Manual page 27

Names of parts
(A) External type battery
(B) Battery mount
(C) Drive unit
(D) Drive unit cover (left side and bottom side)
(E) Crank arm
(F) Chainring unit
(G) Speed sensor
(H) Shifting unit
(I) Disc brake rotor
(J) Switch unit (assist switch)
(K) Switch unit (shift switch) or shift lever
(L) Cycle computer
(M) Electric wire
(N) Chain device
(O) Built-in type battery
(P) Rear carrier type battery
(Q) Battery charger
Depending on the assist bicycle, the battery may be installed at a location different from the position
* 1
specified in the figure.
The battery mount of the built-in type battery is installed inside the frame.
* 2
It is attached to one of the two locations specified in the figure.
* 3
Electronic gear shifting: Di2 rear derailleur or motor unit + Di2 internal geared hub
* 4
Mechanical gear shifting: rear derailleur or internal geared hub
* 1
* 2
* 3
* 4
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