OTK M5 Metal Self-Locking Nut (BSD)

D.M5C – OTK Tony Kart M5 Metal Self-Locking Nut (BSD)

The OTK D.M5C is a 5mm metal self-locking nut used to secure the brake pad retaining bolt in BSD rear brake systems. Designed for durability and resistance to loosening under vibration, it is a critical component for maintaining brake system safety.