More durable and quiet resin compound than previous DB-210 padsMagnetic caliper spring paired with a physical spring between pads makes for fast and consistent returnAngled pad bottom helps to guide the disc rotor in for fast wheel changes when seconds countAdded loops at the top corners of the pad work to dissipate heat51Campagnolo H11OrganicCampagnoloUPC/EAN/GTIN: 8053340454554