Avid BB5 brake pads BB5 are designed for reliable breaking power in any riding condition. Steel backers offer superior stopping power with organic material for a quiet ride without the squeak. These long-lasting pads are ideal for mountain bikes trail riding or for anyone looking for dependable and predictable stopping power while riding. Product Dimensions: 2 x 2 x 2 inches ; 0.32 ounces Brake pads must be replaced if the total thickness of the backing plate and pad friction material is less than 3 mm. The rotor must be replaced if the total thickness is less than 1.55 mm or when changing pad friction material.
• Avid BB5 Bicycle Disc Pads (Organic Aluminum, Pair)