SHIMANO 105 ST-R7170 Di2 Shift/Brake System Instruction Manual

1. પરિચય

This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of your SHIMANO 105 ST-R7170 Di2 Shift/Brake System. The ST-R7170 is a dual control lever designed for electronic shifting and hydraulic braking, offering precise control and customizable functions via the E-TUBE app.

છબી 1.1: આગળ view of the SHIMANO 105 ST-R7170 Di2 Shift/Brake System.

2. સલામતી માહિતી

Always prioritize safety when installing, operating, or maintaining bicycle components. Failure to follow these instructions could result in serious injury or damage to the product.

• ઉપયોગ કરતા પહેલા આ માર્ગદર્શિકાને સારી રીતે વાંચો.
• Ensure all components are correctly installed and tightened to the manufacturer's specifications.
• Regularly inspect the shift/brake system for wear, damage, or loose connections.
• Use only genuine SHIMANO replacement parts and recommended fluids.
• Consult a professional bicycle mechanic if you are unsure about any installation or maintenance procedures.

3. પેકેજ સામગ્રી

The SHIMANO 105 ST-R7170 Di2 Shift/Brake System includes the front shift/brake lever. Other components required for a complete Di2 system, such as derailleurs, battery, and wiring, are sold separately.

4. સેટઅપ

4.1. સ્થાપન

Mount the ST-R7170 lever securely to your handlebar. Ensure proper cable routing for the hydraulic brake line and electronic Di2 wires. Refer to the detailed installation guide provided with your complete Di2 system for specific torque values and routing instructions.

છબી ૪.૧: બાજુ view of the ST-R7170 lever, showing mounting area.

4.2. Reach Adjust

The ST-R7170 features reach adjust technology, allowing you to customize the distance between the handlebar and the brake lever. This adjustment ensures optimal comfort and control for various hand sizes.

• Locate the reach adjustment screw on the lever body.
• Use an appropriate tool (e.g., hex key) to turn the screw, moving the lever closer to or further from the handlebar.
• Adjust until the lever position is comfortable and allows for full braking power.

Image 4.2: Diagram showing the reach adjust mechanism, allowing up to 16.4mm of adjustment.

4.3. E-TUBE App Configuration

The SHIMANO E-TUBE Project app allows for customization of button functions and system settings. Connect your Di2 system to the app via a compatible wireless unit (sold separately) to personalize your shifting experience.

• Download the SHIMANO E-TUBE Project app from your device's app store.
• Pair your Di2 system with the app.
• Navigate to the 'Switch' settings to assign desired functions to the shift buttons (e.g., front shift up/down, rear shift up/down).
• Apply changes to save your custom settings.

Image 4.3: E-TUBE app interface for customizing shift button assignments.

5. ઓપરેશન

5.1. Shifting

The ST-R7170 levers provide intuitive electronic shifting. Press the designated shift buttons to actuate the front or rear derailleur, depending on your E-TUBE app configuration. The Di2 system ensures precise and consistent gear changes.

5.2. બ્રેકિંગ

The hydraulic brake system offers powerful and modulated stopping performance. Squeeze the brake lever to engage the hydraulic caliper. Ensure proper bleeding of the hydraulic system for optimal performance.

6. જાળવણી

6.1. સફાઈ

Regularly clean the shift/brake levers with a soft cloth and mild detergent. Avoid using harsh chemicals or high-pressure washers, which can damage electronic components or seals.

6.2. બેટરી રિપ્લેસમેન્ટ

The ST-R7170 levers utilize CR1632 coin cell batteries for power. Replace batteries when the battery level indicator shows low charge or when shifting performance degrades.

• Carefully open the battery compartment cover, typically located on the top of the lever hood.
• Remove the old CR1632 batteries (typically two).
• Insert new CR1632 batteries, ensuring correct polarity.
• સુરક્ષિત રીતે બેટરીના ડબ્બાના કવરને બંધ કરો.

Image 6.1: Battery compartment for CR1632 coin cell batteries.

6.3. બેટરી લેવલ ચેક

You can check the battery level of the ST-R7170 levers by observing the indicator light on the lever body. The light provides a visual cue for the remaining battery charge.

• Green Light (11% - 100%): Sufficient charge.
• Red Light (1% - 10%): Low charge, consider replacement soon.
• No Light (0%): Batteries depleted, replace immediately.

Image 6.2: Battery level indicator on the lever.

7. મુશ્કેલીનિવારણ

• Shifting Issues: Check battery level. Ensure all Di2 wires are securely connected. Verify settings in the E-TUBE app.
• Braking Issues: Inspect brake pads for wear. Check for air in the hydraulic system and bleed if necessary. Ensure brake fluid level is adequate.
• Lever Not Responding: Replace coin cell batteries. Check main Di2 system battery charge.
• અસામાન્ય અવાજો: છૂટા ઘટકો અથવા વિદેશી વસ્તુઓ માટે તપાસો.

If problems persist, consult a professional bicycle mechanic or contact SHIMANO support.

8. સ્પષ્ટીકરણો

9. વોરંટી માહિતી

SHIMANO products are covered by a manufacturer's warranty against defects in materials and workmanship. For specific warranty terms, conditions, and registration, please refer to the official SHIMANO webસાઇટ અથવા તમારા ઉત્પાદન સાથે સમાવિષ્ટ વોરંટી કાર્ડ.

10. આધાર

For further assistance, technical support, or to locate an authorized service center, please visit the official SHIMANO webસાઇટ:

https://bike.shimano.com/