Are you experiencing issues with the shifting performance of your bike equipped with SRAM GX gearing? Fine-tuning your gears is crucial for a smooth and efficient ride. In this guide, we will walk you through the step-by-step process of adjusting the SRAM GX gearing to maximize your bike's shifting performance. Let's get started!

Step 1: Assessing the Gear Cable Tension

The first step is to check the tension of the gear cable. Start by shifting the chain onto the smallest chainring and the smallest cassette cog. This will ensure that the cable tension is at its minimum. If the chain fails to shift smoothly onto the smallest cog, proceed to adjust the cable tension following these steps:

  • Locate the barrel adjuster - it is usually found at the back of the rear derailleur or at the point where the cable enters the derailleur housing.
  • Turn the barrel adjuster clockwise to increase tension or counterclockwise to decrease tension. Make small adjustments until the chain smoothly shifts onto the smallest cog.

Step 2: Aligning the Rear Derailleur Hanger

A misaligned rear derailleur hanger can cause poor shifting performance. To ensure it is properly aligned, follow these steps:

  • Shift the chain onto the smallest chainring and the second smallest cassette cog.
  • Stand behind the bike and look down the rear derailleur. Check if it aligns perfectly with the cassette cogs. If it appears misaligned, use an alignment tool to straighten the hanger.

Step 3: Indexing the Gears

Proper indexing ensures that the gears shift smoothly across the cassette. To index your gears, perform the following steps:

  • Shift the chain onto the smallest chainring and the second smallest cassette cog.
  • Turn the barrel adjuster clockwise until it stops, and then turn it counterclockwise 1/4 to 1/2 of a turn.
  • Using the shifter, move the chain up one cog. If the chain does not shift smoothly, slightly adjust the barrel adjuster until it does.
  • Continue shifting up one cog at a time and adjusting the barrel adjuster until the chain smoothly moves across all the cogs.

Step 4: Limit Screw Adjustment

The limit screws on the rear derailleur prevent the chain from shifting off the cassette. To adjust the limit screws, follow these steps:

  • Shift the chain onto the largest chainring and the smallest cassette cog.
  • Using the barrel adjuster, ensure that the chain aligns perfectly with the cassette cog.
  • Next, shift the chain onto the smallest chainring and the largest cassette cog.
  • If the chain struggles to shift onto the largest cog, locate the high limit screw on the rear derailleur. Turn it clockwise to allow the chain to shift smoothly onto the largest cog. If the chain easily shifts off the largest cog, turn the high limit screw counterclockwise to prevent it from shifting too far.
  • Repeat this process for the front derailleur's low and high limit screws.

Following these steps should help you fine-tune the SRAM GX gearing on your bike, resulting in an improved shifting performance. Enjoy your smoother and more efficient rides!

For advanced or persistent issues with your SRAM GX gearing, we recommend seeking the assistance of a professional bike mechanic for further adjustments and potential component replacement.

Quest'articolo è stato scritto a titolo esclusivamente informativo e di divulgazione. Per esso non è possibile garantire che sia esente da errori o inesattezze, per cui l’amministratore di questo Sito non assume alcuna responsabilità come indicato nelle note legali pubblicate in Termini e Condizioni
Quanto è stato utile questo articolo?
0Vota per primo questo articolo!