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...
Quick Release Adapter - add on part to allow the Thru Axle Kit to be used on quick release bikes
When we're in a pinch, the Hanger Alignment Tool can help us realign a banged-up derailleur with minimal force required. This tool is compatible with mountain and road bikes with 12mm thru-axles.