If you’re a cyclist, you know the importance of keeping your bike in top condition. One of the most important parts of your bike is the derailleur, which is responsible for shifting gears smoothly and efficiently. However, even a minor misalignment of the derailleur hanger can cause poor shifting and even damage to your bike. That’s where derailleur hanger alignment tools come in. In this post, we’ll review the top 10 derailleur hanger alignment tools on the market.

1. Park Tool DAG 2:2: The Park Tool DAG-2.2 is a professional-grade derailleur hanger alignment tool that is easy to use and highly accurate. It features a large, easy-to-read gauge and a precision-machined body that ensures perfect alignment every time.
2. Abbey Bike Tools Hanger Alignment Gauge: The Abbey Bike Tools Hanger Alignment Gauge is another high-end tool that is designed to deliver precise results. It features a compact, lightweight design that makes it easy to use, and it comes with an integrated chain hook that allows you to easily align the hanger with the chain.
3. Wheels Manufacturing Derailleur Hanger Alignment Gauge: The Wheels Manufacturing Derailleur Hanger Alignment Gauge is a budget-friendly option that still delivers accurate results. It features a simple design that is easy to use, and it comes with a variety of adapters to fit a wide range of bikes.
4. VAR Professional Derailleur Hanger Alignment Gauge: The VAR Professional Derailleur Hanger Alignment Gauge is a heavy-duty tool that is designed for professional bike mechanics. It features a durable aluminum construction and a large, easy-to-read gauge that allows you to make precise adjustments.
5. Unior Derailleur Hanger Alignment Tool: The Unior Derailleur Hanger Alignment Tool is a versatile tool that is suitable for both home mechanics and professional bike shops. It features a compact design that is easy to use, and it comes with a variety of adapters to fit most bikes.
6. Park Tool DAG-1: The Park Tool DAG-1 is an affordable alternative to the DAG-2.2 that still delivers accurate results. It features a compact design that is easy to use, and it comes with a variety of adapters to fit most bikes.
7. Feedback Sports Chain Gauge and Hanger Alignment Tool: The Feedback Sports Chain Gauge and Hanger Alignment Tool is a multi-purpose tool that allows you to measure chain wear and align your derailleur hanger with ease. It features a compact design and is suitable for use on most bikes.
8. Pedro’s Derailleur Hanger Alignment Gauge: The Pedro’s Derailleur Hanger Alignment Gauge is a lightweight and easy-to-use tool that delivers accurate results. It features a compact design and is suitable for use on most bikes.
9. IceToolz Derailleur Hanger Alignment: The IceToolz Derailleur Hanger Alignment Gauge is a budget-friendly option that still delivers accurate results. It features a compact design and comes with a variety of adapters to fit most bikes.
10. Crankbrothers Multi-17 Tool: The Crankbrothers Multi-17 Tool is a versatile tool that includes a derailleur hanger alignment tool as well as a variety of other tools that are useful for bike maintenance. It features a compact design and is suitable for use on most bikes.

Overall, a derailleur hanger alignment tool is an essential tool for any cyclist who wants to keep their bike in top condition. Whether you’re a home mechanic or a professional bike shop, one of these top 10 derailleur hanger alignment tools is sure to meet your needs.