Cycle Visions Squealer Brake Pads Rear for Harley Big Twin XL Made from organic Kevlar aramid fibers for low-abrasion Feature a unique squealing sound to let you know that its time to replace your pads, which prevents damage that can occur when pads are overworn Provide excellent stopping power without noise and rotor galling, even on polished rotors Fingertip control and strong, predictable brake response Sold in pairs