UM-7F00B-000
One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003
High Tech Campus 92, 5656 AG Eindhoven, The Netherlands Phone: +31-402-612222
Roebuck Way, Knowlhill, Milton Keynes, Buckinghamshire, MK5 8HL, United Kingdom
3-77 Oimatsu-cho, Sakai-ku, Sakai City, Osaka 590-8577, Japan
User's Manual
Electric Wires / Electric Wire
Covers / Junctions /
Grommets
IMPORTANT NOTICE
•Contact the place of purchase or a distributor for information on installation,
adjustment, and replacement of the products which are not found in the user's
manual. A dealer's manual for professional and experienced bicycle mechanics is
available on our website (https://si.shimano.com).
For safety, be sure to read this “user's manual” thoroughly
before use, follow it for correct use, and store it so that it
can be referenced at any time.
The following instructions must be observed at all times in order to prevent
personal injury and physical damage to equipment and surroundings. The
instructions are classified according to the degree of danger or damage which may
occur if the product is used incorrectly.
DANGER
WARNING
CAUTION
Failure to follow the instructions will result in
death or serious injury.
Failure to follow the instructions could result in
death or serious injury.
Failure to follow the instructions could cause
personal injury or physical damage to equipment
and surroundings.
•Do not use thinner or other solvents to clean the products. Such solvents may
damage the surface.
•Be careful not to get water into the E-TUBE ports.
•Store in a safe place out of the reach of small children to avoid letting them
swallow by mistake.
•Products are not guaranteed against natural wear and deterioration from normal
use and aging.
•For maximum performance we highly recommend SHIMANO lubricants and
maintenance products.
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired
operation.
Regular inspections before riding the bicycle
Before riding the bicycle, check the following items. If any problems are found,
consult your place of purchase or a distributor.
•Is there sufficient charge remaining in the battery?
•Is there any noticeable damage to the electric wires?
Names of parts
Electric wire cover
(SM-EWC2)
Junction [A]
(SM-EW67-A-E)
level with the battery indicator of junction [A].
Battery indicator
100%
50%
25%
0%
* When the battery level is low, the front derailleur stops operating first, then
the rear derailleur. When the battery is completely drained, the derailleurs are
fixed at the last gear position. It is recommended to charge the battery as soon
as possible when the battery indicator lights red.
Green (2 seconds)
Flashing green (5 times)
Red (2 seconds)
Flashing red (5 times)
Protection function
* Rotate the front chainwheel while restoring operation after the protection
function has activated.
In order to protect the system when the bicycle falls and is subjected to a strong
impact, the protection function will activate and momentarily sever the connection
between the motor and the link, impairing the proper function of the rear
derailleur. When this happens, hold down the rear derailleur adjustment button on
the junction [A] of SM-EW67-A-E for 5 seconds or more. This will restore the
connection between the motor and the link, and clear the protection function for
the rear derailleur. If it is not restored, operate the cage manually. Check that the
connection is restored by operating the shift switch.
Junction [A]
Rear derailleur
adjustment button
Red
Important safety information
WARNING
•Do not disassemble or modify the product. This may cause the product to not
operate correctly, and you may suddenly fall and be seriously injured.
•Do not touch the front derailleur when operating the shift switch. Doing
so may result in injury due to trapped fingers.
Notice
•Do not keep connecting and disconnecting the small waterproof connector. It
may impair the function.
•The components are designed to be fully waterproofed to withstand wet weather
riding conditions; however, do not deliberately place them into water.
•Do not clean the bicycle with a high-pressure washer. If water gets into any of the
components, operating problems or rusting may result.
•Handle the components carefully, and avoid subjecting them to strong shock.
•Contact the place of purchase for updates of the component software. The most
up-to-date information is available on the SHIMANO website.
Electric wire
(EW-SD50 / EW-SD50-I)
(SM-JC40) (SM-JC41)
Junction [B]
E-TUBE port
Grommet
(SM-GM01 / SM-GM02)
Battery level indicator function
Press and hold the shift switch for 0.5 seconds or more. You can check the battery
Press and hold
button
Requires approximately 5 seconds
When the red LED of junction [A] is lit, the rear derailleur will not shift. Press the
rear derailleur adjustment button until the red LED turns off.
Please note: specifications are subject to change for improvement without notice. (English)
© Mar. 2021 by SHIMANO INC. ITP
Red
Flashing red Protection recovery
operation
Protection recovery
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