- Set of 4 pairs of disc brake pads for bicycle, compatible with BB5 M446 models - Made of resin and red copper, high-quality materials that ensure strength and durability - Excellent heat dissipation and wear resistance, ideal for intensive and prolonged use - Provide powerful, stable, and quiet braking, improving safety on every ride - Quick adaptation to the disc, minimizing adjustment time and maximizing performance - Easy to install and remove, perfect as a replacement for most bicycles with round disc brakes - Eco-friendly product, safe and free of harmful substances, suitable for demanding cyclists