592 - Sliding gauge bar for DAG-2

The Park Tool 592 Sliding Gauge Bar is a replacement component designed specifically for the DAG-2 Derailleur Alignment Gauge. This core sliding bar provides the stable, accurate track along which the gauge’s measurement head travels, ensuring consistent alignment checks and precise adjustments of derailleur hangers.

Manufactured to Park Tool’s exacting standards, the 592 Sliding Gauge Bar features smooth, durable construction that resists wear and maintains accurate calibration over time. Whether the original bar has become worn, damaged, or bent from extensive use, this replacement restores the tool’s ability to deliver reliable, true measurements