SRAM GX DH Rear Shifter

Introduction

This manual provides essential information for the proper installation, operation, and maintenance of your SRAM GX DH Rear Shifter. Developed in Germany, the GX DH shifter is engineered to deliver precise and dependable 7-speed performance, crucial for demanding downhill cycling conditions. Please read this manual thoroughly before attempting any installation or operation.

The distinctive click of the GX DH trigger switch signifies its readiness for critical moments, whether preparing for a jump or making a final push before the finish line. This shifter is fully compatible with the SRAM X01 DH drivetrain.

Safety Information

Always prioritize safety when working with bicycle components. Improper installation or maintenance can lead to serious injury or product damage. If you are unsure about any step, seek assistance from a qualified bicycle mechanic.

• Wear appropriate safety gear, including eye protection, during installation and maintenance.
• Ensure your bicycle is stable and secure before beginning any work.
• Use only the correct tools for each task.
• Do not modify the product in any way not specified in this manual.
• Keep small parts away from children.

Setup and Installation

The SRAM GX DH Rear Shifter features a discrete clamp for secure mounting to your handlebar. Follow these general steps for installation. Refer to a comprehensive bicycle repair guide or consult a professional mechanic for detailed instructions if needed.

1. Prepare the Handlebar: Ensure the area on your handlebar where the shifter will be mounted is clean and free of grease.
2. Position the Shifter: Loosely attach the shifter to the handlebar using its discrete clamp. Position it ergonomically for comfortable reach and operation.
3. Install Shift Cable: Route the shift cable through the shifter body and into the cable housing. Ensure the cable moves freely.
4. Connect to Derailleur: Route the cable housing along the bicycle frame and connect the inner cable to the rear derailleur, following the derailleur manufacturer's instructions.
5. Adjust Cable Tension: With the chain on the smallest cog, pull the cable taut and secure it to the derailleur. Fine-tune tension using the barrel adjuster on the shifter or derailleur.
6. Tighten Clamp: Once the shifter is in the desired position and shifting is properly adjusted, tighten the discrete clamp bolt to the manufacturer's specified torque. Do not overtighten.

Operating Instructions

The SRAM GX DH Rear Shifter utilizes X-Actuation technology to provide consistent and precise 7-speed shifting across the entire cassette range.

• Upshifting (to a smaller cog/higher gear): Press the smaller lever (release lever) with your thumb or index finger. Each click will shift the chain one cog smaller.
• Downshifting (to a larger cog/lower gear): Press the larger lever (trigger lever) with your thumb. Each click will shift the chain one cog larger.
• Multi-Shift: The GX DH shifter allows for multiple shifts with a single push of the trigger lever, enabling rapid gear changes when needed.
• Smooth Operation: Always pedal forward while shifting to ensure smooth and efficient gear changes and to prevent damage to the drivetrain components.

Maintenance

Regular maintenance will prolong the life and ensure optimal performance of your SRAM GX DH Rear Shifter.

• Cleaning: Keep the shifter body and levers clean. Use a damp cloth to wipe away dirt and grime. Avoid using harsh chemicals that could damage the finish or internal components.
• Cable Inspection: Periodically inspect the shift cable and housing for fraying, kinks, or corrosion. Replace them if any damage is observed, as this can significantly affect shifting performance.
• Lubrication: Apply a small amount of light lubricant to the pivot points of the shifter levers occasionally to ensure smooth action. Do not over-lubricate.
• Bolt Torque: Check the clamp bolt torque periodically to ensure it remains secure. Refer to the recommended torque specifications.

Troubleshooting

If you experience issues with your shifter, try these common troubleshooting steps:

• Shifting is sluggish or imprecise:
  • Check cable tension. Turn the barrel adjuster counter-clockwise to increase tension if shifting to larger cogs is slow. Turn clockwise to decrease tension if shifting to smaller cogs is slow.
  • Inspect shift cable and housing for friction or damage. Replace if necessary.
  • Ensure the derailleur hanger is not bent.
• Shifter levers feel stiff:
  • Clean the shifter and lubricate pivot points.
  • Check for debris obstructing lever movement.
• Shifter not holding gear:
  • Verify cable tension is correct.
  • Ensure the shifter is securely clamped to the handlebar.

For persistent issues, it is recommended to consult a professional bicycle mechanic.

Specifications

Warranty

Please note that this product is indicated to have No Manufacturer's Guarantee. For specific warranty information or policies, it is recommended to contact the retailer or SRAM directly.

Support

For further assistance, technical support, or inquiries not covered in this manual, please visit the official SRAM website or contact their customer service department. Always refer to the product's model name and part number when seeking support.