An alignment gauge is essential for diagnosing and repairing bent or misaligned derailleur hangers, often the source of shifting problems.
Best Price: £129.99 from Ribble Cycles
Park Tool DAG-3 Derailleur Hanger Alignment Gauge Reviews
An alignment gauge is essential for diagnosing and repairing bent or misaligned derailleur hangers, often the source of shifting problems.
Best Price: £129.99 from Ribble Cycles