Park Tool DAG-3 - Derailleur Hanger Alignment Gauge

Park Tool DAG-3 - Derailleur Hanger Alignment Gauge

The Park Tool DAG-3 is an essential tool for diagnosing and repairing bent or misaligned derailleur hangers, which are often the source of shifting problems. Whether you're a professional mechanic or a home bike enthusiast, this gauge ensures precise and accurate alignment of derailleur hangers to restore proper shifting performance.

Features

• Precise Alignment Measurement: The DAG-3 is designed to measure derailleur hanger alignment accurately against bicycle rims of any size. It’s compatible with wheels ranging from 16 inches to 29+ inches, making it highly versatile.
• 360-Degree Measurement: The sliding indicator rotates out of the way to clear seat stays, racks, and other obstacles, enabling 360-degree measurements for comprehensive alignment.
• Lightweight and Durable: Built with a long, precision-extruded aluminum body, the DAG-3 provides durability without sacrificing weight. The construction ensures accurate adjustments while offering ample leverage for making corrections.
• Low-Profile Head Design: The tool's low-profile head allows it to fit low-clearance thru-axle derailleur hangers and Shimano® Direct Mount hangers, ensuring compatibility with a wide range of bike types.
• Versatile Use: The DAG-3 is engineered to be lightweight, accurate, and versatile, making it an invaluable tool for both professional workshops and home mechanics.