[Compatibility]: Suitable for Clarks SX Skeletal, EXO Hydraulic. [Material]:Disc brake pads made of semi-metallic and hard-wearing resin compound - good braking power and durability. [Low noise]: Bike brake pads are used on the front or rear brake. The resin pads are low-noise and the focus is on good controllability of the braking force. [Copper semi-metal]:Brake pads contains copper fiber, to increase heat dissipation and wear resistance, break-in time, braking response is direct, sensitive, longer lifeeffectively protect the brake disc. [Package List]: Contains 2 pairs of brake pads for mounting on a brake caliper for convenient and timely replacement and longer operating times. [Note]: Front and rear wheels are used with one pair of brake pads .