Contents Contents ...................2 IMPORTANT NOTICE ..............4 TO ENSURE SAFETY ..............5 List of tools to be used ............12 Installing electrical parts ............13 Names of parts ..................13 • Rear carrier mount type ......................13 • Down tube mount type ......................14 • Integrated mount type ......................15 Overall wiring diagram ................16 Specifications ..................17 Electric wires ..................17...
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Connecting the light cables ..............32 Installing the drive unit cover .............33 • When only using a SHIMANO drive unit cover ..............33 • When also using a drive unit cover from another company ..........34 Installing the chainring and crank arms ..........35 Installing the arm covers ..............39 Measuring and adjusting the chain tension ........41 •...
IMPORTANT NOTICE IMPORTANT NOTICE • This dealer's manual is intended primarily for use by professional bicycle mechanics. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the dealer's manuals. If any part of the information on the manual is unclear to you, do not proceed with the installation.
TO ENSURE SAFETY TO ENSURE SAFETY DANGER Be sure to also inform users of the following: Handling the battery • Do not deform, modify, disassemble, or apply solder directly to the battery. Doing so may cause leakage, overheating, bursting, or ignition. •...
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TO ENSURE SAFETY • Ensure that head and tail lights can turn on before riding the bicycle. • Do not disassemble the product. Disassembling may cause injury. • Do not leave the cycle computer in an extremely high temperature surrounding environment such as in a closed vehicle on a hot day, or near a heater.
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TO ENSURE SAFETY • Clean the chain with an appropriate chain cleaner regularly. Intervals between maintenance depend on the use and riding circumstances. • Never use alkali based or acid based solvents, such as rust cleaners. If those solvents are used the chain might break and cause serious injury.
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TO ENSURE SAFETY • 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 corrosion may result.
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The actual product may differ from the illustration because this manual is intended mainly to explain the procedures for using the product. Booklet structure User's manual SHIMANO STEPS series user's manuals are split among several booklets, as described below. The latest manuals are available on our website (https://si.shimano.com).
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This is the assist switch and shifting switch user's manual. It Switch Unit User's Manual describes switch unit handling and operations only. Dealer's Manual SHIMANO STEPS series dealer's manuals are split among several booklets, as described below. The latest manuals are available on our website (https://si.shimano.com). Name...
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• How to install the satellite system ON/OFF switch and booklet) satellite charging port It contains the following content: • Installation and maintenance of the SHIMANO STEPS SHIMANO STEPS Cycle Computer and special cycle computer, special junction [A] and switch Switch Unit Parts Dealer's Manual unit •...
List of tools to be used List of tools to be used The following tools are needed for installation/removal, adjustment, and maintenance purposes. Component Location used/screw Tool type Electric wire Plug TL-EW02 / TL-EW300 Speed sensor mounting 4 mm hexagon wrench / screw hexalobular [#25] Speed sensor...
Installing electrical parts Names of parts Installing electrical parts Names of parts Rear carrier mount type (A) (B) Battery Battery mount Drive unit Drive unit cover Crank arm Chainring Speed sensor*1 Shifting unit*2 Disc brake rotor Switch unit (assist switch) Switch unit (shifting switch) or shifting Electric wire lever...
Installing electrical parts Names of parts Down tube mount type Battery*1 Battery mount Drive unit Drive unit cover Crank arm Chainring Speed sensor*2 Shifting unit*3 Disc brake rotor Switch unit (assist switch) Switch unit (shifting switch) or shifting Electric wire lever Cycle computer*4 Junction [A] (wireless unit)*4...
Installing electrical parts Names of parts Integrated mount type Battery*1 Battery mount*2 Drive unit Drive unit cover Crank arm Chainring Speed sensor*3 Shifting unit*4 Disc brake rotor Switch unit (assist switch) Switch unit (shifting switch) or shifting Electric wire lever Cycle computer*5 Junction [A] (wireless unit)*5 Battery charger...
Installing electrical parts Overall wiring diagram Overall wiring diagram EW-EN100 NOTICE • The maximum electric wire length between components is 1,600 mm. Ensure that the total length is 1,600 mm or less when connecting via a junction [B] or conversion adapter.
Installing electrical parts Specifications Specifications Operating temperature range: Battery type -10 - 50°C Lithium-ion battery Discharging Refer to the “SHIMANO Operating STEPS Special Battery temperature range: Nominal capacity 0 - 40°C and Parts User's Charging Manual.” Storage temperature Rated voltage -20 - 70°C 36 V DC Storage temperature...
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Installing electrical parts Electric wires Product name Intended purpose EW-SD300 type EW-SD50 type EW-CL300-S Binding the wiring and the (for shift outer casing) Cord clip brake outer casing / brake EW-CL300-M Y70H98040 hose together (for brake outer casing and brake hose) Supporting / protecting Cord cover the electric wire (external...
Installing electrical parts Electric wires Conversion adapter A conversion adapter (EW-AD305) is required to connect the EW-SD50 to a component with an E-TUBE port for the EW-SD300. Conversion adapter (EW-AD305) Electric wire (EW-SD300) Electric wire (EW-SD50) Connecting / disconnecting the electric wire Be sure to use the SHIMANO original tool to remove and insert electric wires.
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Installing electrical parts Electric wires With alignment tab on plug Groove Guide Alignment tab Insert the plug on the electric wire into the E-TUBE port. Push it straight in until you feel it click into place. Plug E-TUBE port ` Removing the electric wire (EW-SD300) Remove the electric wire.
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Installing electrical parts Electric wires (2) Disconnect the electric wire from the E-TUBE port. * As shown in the figure, use part (A) of the TL-EW300 as a fulcrum, move the tool like a lever, then disconnect the plug part. TECH TIPS •...
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Installing electrical parts Electric wires Set the plug of the electric wire to the TL-EW02. If there is an alignment tab on the plug of the electric wire, set it aligned with the groove on the SHIMANO original tool. Without alignment tab on plug With alignment tab on plug Insert the plug on the electric wire into the E-TUBE port.
TL-EW02 straight up and disconnect the electric wire. Installing cockpit peripheral components Refer to the “SHIMANO STEPS Cycle Computer and Switch Unit Parts Dealer's Manual.” Installing the battery mount and parts Refer to the “SHIMANO STEPS Special Battery and Battery Charger Parts Dealer's Manual.”...
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Installing electrical parts Installing the speed sensor (2) Temporarily install the mounting screw. Magnet unit Speed sensor (Temporary) Spoke Mounting screw Install the speed sensor. Check that the clearance between the speed sensor and magnet unit is from 3 - 17 mm. Clearance between speed sensor and magnet unit 3 - 17 mm...
Installing electrical parts Installing the speed sensor Clearance between speed sensor Clearance between speed sensor and magnet unit is 3 to 17 mm and magnet unit exceeds 17 mm Spacer Toothed washer 1.5 - 2 N·m Speed sensor mounting screw (length 16 mm) 1.5 - 2 N·m Speed sensor mounting screw...
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Installing electrical parts Installing the speed sensor • The disc brake rotor with magnet unit is the internal spline type. Install it using the TL-LR15 SHIMANO original tool. Install the speed sensor to the frame. 0.6 N·m Speed sensor mounting screw Affix the wire for the speed sensor to the chainstay and wire it to the drive unit.
Installing the drive unit and peripheral parts Installing the drive unit Installing the drive unit and peripheral parts Use the following procedure to install the drive unit and peripheral parts. (1) Installing the drive unit (2) Wiring to the drive unit (3) Installing the drive unit cover (4) Installing the chainring unit and crank arms TECH TIPS...
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Installing the drive unit and peripheral parts Installing the drive unit (3) Tighten the mounting screws on the left side of the frame. Installation hole Right side Front 10 - 12.5 N·m Drive unit mounting screw (M8) (3) Left side 10 - 12.5 N·m Drive unit mounting screw (M8) Drive unit...
Installing the drive unit and peripheral parts Connecting the power cord Connecting the power cord Connection method Connect the power cord. Align the Δ marking on the drive unit's power port with the arrow marking on the tip of the power cord, then insert the power cord until it clicks. * Check that it is securely connected.
Installing the drive unit and peripheral parts Connecting cockpit peripheral parts and electronic gear shifting components Removal method Remove the power cord. Hold the groove on the plug and slide the tip of the plug to pull it out, as shown in the figure.
Installing the drive unit and peripheral parts Connecting the speed sensor Connect the electric wire to the drive unit's E-TUBE port. Connect the wire from either the cycle computer or junction [A]. Use junction [B] to also connect the wire from the electronic gear shifting component (rear derailleur or motor unit).
Installing the drive unit and peripheral parts Connecting the light cables Connecting the light cables Connect the wires connected to the front and rear lights to the drive unit. Loosen the mounting screws. Mounting screw Connect the light cables to the light connection terminals, then tighten the mounting screws.
Installing the drive unit and peripheral parts Installing the drive unit cover Installing the drive unit cover • The appearance of the drive unit cover differs depending on the model, but the installation method is the same. • When also using a drive unit cover from another company, refer to the manual for the frame. When only using a SHIMANO drive unit cover For models: SM-DUE50-T, SM-DUE50-C Install the left cover.
Installing the drive unit and peripheral parts Installing the drive unit cover Install the right cover. 0.6 N·m Cover mounting screw Right cover When also using a drive unit cover from another company For models: SM-DUE50-TC, SM-DUE50-CC Always install a drive unit cover from another company after installing the SHIMANO drive unit cover.
Installing the drive unit and peripheral parts Installing the chainring and crank arms Installing the chainring and crank arms Install the rear wheel in the frame prior to performing the following procedures. NOTICE The drive unit has a sensor for detecting the load on the pedal, which is used to control assistance.
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Installing the drive unit and peripheral parts Installing the chainring and crank arms (3) Install the cap. NO GREASE Left crank arm NO GREASE Concave section Round mark Installation direction of 35 N·m the crank arm Crank arm mounting screw...
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Installing the drive unit and peripheral parts Installing the chainring and crank arms Install the chainring. NO WASHER Chainring installation spline Axle Chainring TECH TIPS • There are three types of chainrings: those with a chain guard on both the front and rear sides, those with a chain guard only on the outside, and those with no chain guard.
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Installing the drive unit and peripheral parts Installing the chainring and crank arms (2) Install the lock ring (left-hand thread) by hand. (3) Use the SHIMANO original tool to tighten the lock ring while firmly pressing the left crank. 35 - 45 N·m Lock ring NOTICE •...
Installing the drive unit and peripheral parts Installing the arm covers Check that there is an appropriate gap between the right crank arm and the lock ring. Lock ring 0.2 mm Right crank arm Installing the arm covers If arm covers are included with the chainring, install the arm covers after installing the chainring to the drive unit.
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Installing the drive unit and peripheral parts Installing the arm covers Set the arm covers to the left and right sides of the chainring. Install so that the hooks catch the spider arm on the chainring. Hook Arm cover...
Installing the drive unit and peripheral parts Measuring and adjusting the chain tension Tighten the two mounting screws from the left and right. For internal geared hub models, proceed to “Measuring and adjusting the chain tension.” 0.8 N·m Mounting screw 0.8 N·m Mounting screw Measuring and adjusting the chain tension...
Installing the drive unit and peripheral parts Measuring and adjusting the chain tension Manual adjustment Check and adjust the chain tension. Pull the upper side of the chain up and down with a force of approximately 10 N (1 kgf), roughly in the middle between the drive unit axle and rear wheel axle.
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Installing the drive unit and peripheral parts Measuring and adjusting the chain tension (2) Push TL-DUE60 down, and make it touch the chainring and rear sprocket. Plunger Adjust the chain tension so the plunger depresses slightly. Make sure the top of the plunger does not stick out of the top of the frame. ` Measuring and adjusting from the lower side of the chain Set TL-DUE60.
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Installing the drive unit and peripheral parts Measuring and adjusting the chain tension (2) Push TL-DUE60 up, and make it touch the chainring and rear sprocket. Plunger Adjust the chain tension so the plunger depresses slightly. Make sure that the flange of the plunger does not sink into the hollow of the frame. Flange...
Connecting the bicycle to a device allows you to configure the system, update firmware, and more. Refer to the “SHIMANO STEPS Cycle Computer User's Manual” and the “SHIMANO STEPS Special Cycle Computer and Switch Unit Parts Dealer's Manual” as well.
Maintenance Replacing the chainring Maintenance Replacing the chainring When replacing the chainring, make sure that the chain is attached. Refer to “Installing the chainring and crank arms” and “Installing the arm covers” for detailed instructions. Remove the right crank arm. Remove the arm cover if it is attached.
Maintenance Replacing the chain guard TECH TIPS • The TL-FC39 can be secured to the TL-FC36 with a zip tie as indicated in the figure below: Installation hole Zip tie Replace the chainring. Remove the chainring, then install a new chainring. Replacing the chain guard To replace the chain guard, first remove the chainring from the bicycle.
Maintenance Replacing the arm cover Remove the chain guard then replace it with a new chain guard. The figure below shows a double chain guard. The procedure is the same for replacing a single chain guard. Chain guard (outward) Chain guard (inward) Chainring *Only for double chain guard 0.7 N·m...
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