The basic building block of the B-RAD system. A modular rail to which you can add other parts of the system. For example, it will allow you to move the basket on your frame to a better position using your existing basket holes. Lightweight and durable material that will last for many miles even in the worst weather. Weight: B-RAD 2 - 27g | B-RAD 3 - 41g | B-RAD 4 - 75g | Dogbone - 10g Material: 6061-T6 | EVA foam Recommended tightening torque: 3-4 Nm Maximum load: 1700g per rail Made in USA