This is a replacement pair of Avid Organic Disc Brake Pads for Juicy or BB7 disc brakes. Organic pad with steel backing plate. Resin/organic is generally a quieter option giving more bite on initial braking but not optimal for sustained heavy braking such as downhill or long road bike descents. Metallic brake pads work better for long sustained braking and perform under wet conditions better than Resin pads.