Please Note: For MT5 MT7 brake system, each caliper needs 2 pairs of brake pads. So 24 pairs of brake pads are good for replacing 2 calipers. High performance, low noise semi-metallic compound mounted on a flat steel backing. Material: Semi-metallic resin disc brake pads. Better heat dissipation, ultimate stopping power 2 times longer life than normal disc brake pads. Color: Black Size: 29.5 x 19 mm Package Contents: 24 Pairs * 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.