(A) External type battery
* 1
(B) Battery mount
* 2
(C) Drive unit
(D) Drive unit cover (left side and bottom side)
(E) Crank arm
(F) Chainring unit
(G) Speed sensor
* 3
(H) Shifting unit
* 4
(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
* 1
Depending on the assist bicycle, the battery may be installed at a location different from the position
specified in the figure.
* 2
The battery mount of the built-in type battery is installed inside the frame.
* 3
It is attached to one of the two locations specified in the figure.
* 4
Electronic gear shifting: Di2 rear derailleur or motor unit + Di2 internal geared hub
Mechanical gear shifting: rear derailleur or internal geared hub
Names of parts
27