lightweight aluminum backing plate and high-performance semi-metallic compound reduce weight by nearly 50%, perfect for cross-country riding. For: Code R, Code 2011+/Guide RE 3 times longer life than normal semi-metallic disc brake pads. Ultimate featherweight. Great heat dissipation. Excellent stopping power. Color: Silver Material: Resin + Aluminum Alloy Package Contents: 8 Pairs x Bicycle Disc Brake Pads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.