How to Install, Adjust, and Maintain the XG-1299 Cassette

Posted on
in Cassette, Eagle, SRAM

The SRAM XG-1299 [paid link] cassette is a high-performance 12-speed cassette designed for SRAM’s Eagle drivetrain. Known for its wide gear range, lightweight design, and durable construction, this cassette is a popular choice for serious mountain and gravel riders. However, proper installation, adjustment, and maintenance are crucial to getting the best performance out of it.

In this guide, we’ll walk you through:

  • How to correctly install the XG-1299 [paid link] cassette
  • Key adjustments for smooth and precise shifting
  • Essential maintenance tips to extend its lifespan
  • Troubleshooting common issues

By the end of this article, you’ll have a complete understanding of how to keep your XG-1299 [paid link] cassette running like new.

Tools Required

Before starting, gather the following tools:

  • Cassette lockring tool [paid link] (SRAM XD [paid link]/XDR [paid link] compatible)
  • Chain whip or cassette pliers
  • Torque wrench [paid link] (for precise installation)
  • Degreaser and chain cleaner
  • Rag or paper towels
  • SRAM-approved chain lubricant

Step-by-Step Installation of the XG-1299 Cassette

Installing the SRAM XG-1299 cassette requires precision to ensure smooth shifting and prevent premature wear. Follow these steps:

1. Prepare the Freehub Body

The XG-1299 cassette is designed for SRAM XD [paid link]/XDR [paid link] driver bodies, so ensure your hub is compatible. Before installation:

  • Remove any dirt or old grease from the freehub body.
  • Lightly grease the freehub splines to prevent seizing.

2. Slide the Cassette onto the Freehub

  • Align the smallest cog with the XD [paid link]/XDR [paid link] driver body splines.
  • Carefully slide the cassette onto the freehub until it seats fully.

3. Tighten the Cassette Lockring

  • Using the SRAM XD-compatible lockring tool [paid link], turn the cassette clockwise.
  • Use a torque wrench [paid link] to tighten it to 40 Nm.

4. Verify the Installation

  • Spin the cassette by hand to ensure it rotates smoothly.
  • Confirm there’s no lateral play in the cassette.

Adjusting the XG-1299 Cassette for Optimal Shifting

A properly adjusted XG-1299 cassette ensures smooth, crisp gear changes. Follow these key adjustments:

1. B-Tension Screw Adjustment

  • The B-tension screw affects the distance between the cassette and derailleur.
  • Shift to the largest cog and check the gap between the upper pulley and cassette.
  • Adjust the B-tension screw to maintain 3-6mm clearance.

2. High and Low Limit Screws

  • High limit screw: Ensures the chain doesn’t overshift past the smallest cog.
  • Low limit screw: Prevents the chain from shifting beyond the largest cog.
  • Shift through all gears and fine-tune these screws as needed.

3. Cable Tension Adjustment

  • If shifting feels sluggish or inaccurate, adjust the barrel adjuster on the derailleur or shifter.
  • Turn clockwise to decrease tension and counterclockwise to increase it.

Maintenance Tips for Longevity

Regular maintenance extends the lifespan of your XG-1299 cassette and ensures peak performance. Follow these steps:

1. Cleaning the Cassette

  • Use a degreaser and a brush to remove dirt and grime from between the cogs.
  • Rinse with water and dry thoroughly before reinstalling.

2. Lubrication

  • Apply a light, dry-style lube to the chain for smooth operation.
  • Avoid excessive lubrication, as it can attract dirt and cause premature wear.

3. Inspect for Wear

  • Check for shark-tooth-like wear on the cogs, which indicates it’s time for a replacement.
  • If shifting becomes inconsistent even after adjustments, the cassette may be worn out.

Troubleshooting Common Issues

Even with proper installation and maintenance, you may encounter shifting problems. Here’s how to fix them:

1. Poor Shifting Performance

Possible causes:

  • Cable tension too high or too low
  • Dirty or worn-out chain
  • B-tension screw misaligned

Solution:

  • Adjust cable tension and clean or replace the chain as needed.

2. Cassette Slipping Under Load

Possible causes:

  • Worn cassette teeth
  • Chain stretch exceeding 0.5%

Solution:

  • Measure chain wear and replace the chain or cassette if necessary.

Read our guide on shifting issues:
Troubleshooting XG-1299 Cassette: How to Fix Common Shifting Issues

3. Noisy Drivetrain

Possible causes:

  • Dirt buildup on cassette or chain
  • Improper lubrication

Solution:

  • Thoroughly clean the cassette and chain, then reapply lubricant.

When to Replace Your XG-1299 Cassette

A worn-out cassette affects shifting quality and efficiency. Look for these signs:

  • Chain skips under power, even with a new chain
  • Visible wear on cassette teeth
  • Irregular shifting that adjustments can’t fix

Conclusion

The SRAM XG-1299 cassette is a high-end component designed for durability and performance. With proper installation, adjustments, and maintenance, you can maximize its lifespan and enjoy smooth, reliable shifting.

By following this guide, you’ll ensure your cassette remains in peak condition, reducing the risk of drivetrain issues and improving your riding experience.