Shifting switch (X)
Shifting switch (X)
Shifting switch (Y)
Shifting switch (Y)
SM-EW67-A-E
SM-EW67-A-E
EW-SD50
EW-SD50-I
SM-JC40
SM-JC41
22
23
$
Dual control lever (ST-6770)
$
Names and example locations of each part
<Shifting switch (X)>
The chain moves from a smaller sprocket to a larger sprocket
each time the switch is operated.
<Shifting switch (X)>
The chain moves from the smaller chainring to the larger
chainring.
<Shifting switch (Y)>
The chain moves from a larger sprocket to a smaller sprocket
each time the switch is operated.
<Shifting switch (Y)>
The chain moves from the larger chainring to the smaller
chainring.
GEAR SHIFTING OPERATION
CONNECTION OF THE ELECTRIC WIRES
Operating the rear shifting switches (initial settings)
Built-in type (SM-JC41)
External type (SM-JC40)
Operating the front shifting switches (initial settings)
• If the chain falls off on the inside, keep pressing shifting switch (X) for 1 second or more to move the front derailleur to
the outermost position, and then keep it pressed for 10 seconds in order to reset the chain.
• There is a function using the SM-PCE1 for changing between shift up and shift down operations for shifting switches (X)
and (Y) and the rear shifting switch and front shifting switch.
* For details on changing the shifting switches, refer to the help screens for E-tube Project (PC application).