- Make sure this fits by entering your model number.
- Improved clearance and reach to work on more frame/derailleur hanger combos, including low clearance thru axle derailleur hangers
- Updated with tighter tolerances for improved accuracy
- Adjusts to fit 20″ to 29″+ wheels
- Upgraded, large inner shaft for added strength
- Replaceable 10mm x 1 threaded tip
This fits your .
Quit fiddling with your rear derailleur’s barrel adjuster and address the issue of sloppy shifting at its source. Park Tool’s DAG-2. 2 Derailleur Alignment Gauge helps the home mechanic identify and correct a bent derailleur hanger, and — compared to the DAG-2 model — it features a stronger shaft, tighter tolerances, and improved clearance and reach. The sliding arm encompasses wheels from 20 to 29in.