Bike derailleur hanger alignment gauge tool
Derailleur hanger alignment gauge for measuring and straightening misaligned shift brackets. Compatible with 20–29 inch wheels; suitable for road, MTB, and everyday bikes. Customers say it’s well-built, easy to use, and accurate
Highlights
- multi-wheel-size compatibility
- durable stainless steel
- improves gear shifting performance
Pros
- well-built construction
- easy to use
- accurate for straightening derailleur hangers
- works with multiple wheel sizes
- compatible with various bike types
Cons
- no explicit included accessories listed
- no range of accessories in description
Best For
Features
- Fits wheel sizes from 20 to 29 inches for derailleur alignment
- Designed for road bikes, MTBs, and everyday bikes with or without removable hangers
- Measures and straightens misaligned derailleur hangers to improve shifting
- Thicker inner shaft with tighter tolerances for accurate alignment
- Ball plunger provides secure placement with controllable play during use
