Shimano ST-6770, ST-6870, ST-9070, ST-R8050, ST-R8150 User's Manual

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UM-6VE0C-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
Dual Control Lever (DI2)
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
Important safety information
WARNING
•Because each bicycle may handle slightly differently depending on the model, be sure to learn the proper braking technique (including brake lever pressure and bicycle control characteristics) and operation of your bicycle. Improper use of your bicycle's brake system may result in a loss of control or a fall, which could lead to severe injury.
•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.
•When operating the shifting switch, be careful not to allow your fingers to be caught in the derailleur. The powerful motor which drives the electronic gear shifting derailleur will operate without stopping until the shifting position is reached.
•Do not apply the front brake too strongly. If you do so, the front wheel may lock and the bicycle may fall forward, and serious injury may result.
•Because the required braking distance will be longer during wet weather, reduce your speed and apply the brakes early and gently. You may fall or collide and be seriously injured.
•A wet road surface may cause tires to lose traction; therefore, to avoid this, reduce your speed and apply the brakes early and gently. If the tires lose traction, you may fall and be seriously injured.
Notice
•Be sure to rotate the crank when carrying out any operations which are related to gear shifting.
•After connecting the hood button to the wireless unit (SM-EWW01/ EW-WU101/EW-WU111), you can use E-TUBE PROJECT to update the software. Please contact your place of purchase for details.
•The components are designed to be fully waterproofed to withstand wet weather riding conditions; however, do not deliberately place them into water.
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 clean the bicycle with a high-pressure washer. If water gets into any of the components, operating problems or corrosion may result.
•Handle the components carefully, and avoid subjecting them to strong shock.
•Be careful not to get water into the E-TUBE ports and the satellite shifter connection port.
•Do not use thinner or other solvents to clean the products. Such solvents may damage the surface.
•In the case of carbon levers, wash them with a soft cloth using a neutral detergent. Otherwise, the material may be damaged and lose strength.
•Avoid leaving the carbon levers in places where high temperatures are present. Also keep them well away from fire.
•Contact the place of purchase for updates of the component software. The most up-to-date information is available on the SHIMANO website.
•Also read the manuals for other connected components together with the manual for the brakes.
•Be sure to attach dummy plugs to any unused E-TUBE ports and the satellite shifter connection port. If water gets into any of the components, operating problems or corrosion may result.
•The electric wire has small waterproof connectors, so do not repeatedly connect and disconnect it too often. It may impair the function.
•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.
•Do the front and rear brakes work correctly?
•Is the gap in the brake lever sufficient?
•Does the brake cable have any rust, fraying, or cracks?
•Have the brake shoes worn down to the grooves?
•Does gear shifting occur when the shifting switches are operated?
•Are the levers securely installed to the handlebar?
•Do any abnormal noises occur during operation?
Names of parts
E-TUBE port*2
Satellite shifter connection port
Shifting switch
*1 Depending on specifications, some models may lack some functions.
In models with a hood button, the hood button may be located in different positions depending on the model. Pull back the bracket cover and check the location of the hood button.
Bracket cover
Hood button*1
Brake lever
*2 The number of connecting ports in the E-TUBE port differs depending
on the model.
How to operate
Gear shifting operations
Be sure to rotate the crank when carrying out any operations which are related to gear shifting.
Hood button (default setting)
The hood button sends signals via the wireless unit (SM-EWW01/ EW-WU101/EW-WU111) to compatible products. The operation and functions differ depending on the compatible product. Refer to the manual for the compatible product.
Rear shifting switch operation (default setting)
<Shifting switch (X)>
Shifts to a larger sprocket.
Front shifting switch operation (default setting)
<Shifting switch (X)>
Shifts to a larger chainring.
Shifting switch (X) Shifting switch (Y)
If the chain falls off the crank to the inside, press and hold the shifting switch (X) for 1 second or more. This will cause the front derailleur to move to the outermost position and remain there for 10 seconds in order to remount the chain.
Actual behavior may differ depending on the connected components and software version.
The settings for each switch can be changed as follows. For details about changing settings, contact the place of purchase.
•Reverse the shift up and shift down functions for shifting switches (X) and (Y)
•Reverse the rear and front shifting switches
•Multi shift mode setting
•Configure the hood button as a shifting switch
Operating the brakes
This product has a reach adjustment function. For details about making these adjustments, contact the place of purchase.
<Shifting switch (Y)>
Shifts to a smaller sprocket.
YX
Shifting switch (Y)Shifting switch (X)
<Shifting switch (Y)>
Shifts to a smaller chainring.
YX
Brake lever
Please note: specifications are subject to change for improvement without notice. (English) © Jan. 2021 by SHIMANO INC. ITP
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