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The Super B TB-1946 Derailleur Hanger Alignment Gauge is a bike tool designed to measure and straighten misaligned derailleur hangers, solving most derailleur shifting problems, especially on index shifting systems. Its updated design accommodates a wider range of frame types including thru-axle frames, and works with most wheel sizes from 20" to 29", making it a must-have precision bike tool for any workshop or serious home mechanic.
- Measures and straightens misaligned derailleur hangers
- Effectively solves most derailleur shifting issues, especially with index shifting systems
- Updated design accommodates a wider range of frame types, including thru-axle frames
- Compatible with most wheel sizes, from 20" to 29"