Kevlar reinforced compound increases pad friction and performance Ceramic injected pad for increased friction in wet conditions Red and yellow copper material added for low and high speed performance changes Improved heat dissipation through back plate grooves 35-45% increase in durability compared to standard sintered pad 3 Avid Elix CR & R Semi-Metallic Clarks Plasma CoatedUPC/EAN/GTIN: 5021646013570