TRP DISC BRAKE PADS FOR FLAT MOUNTBrakes are arguably one of the most important parts of a bicycle. Without good brakes, it's very difficult to stop safely. You should always check your disc brake pads to make sure you still have plenty of material on the pad. If your material is starting to wear thin, then you want to change your pads. These disc brake pads are designed for the Hylex, Hylex RS and HD-T190 flat-mount calipers. They are semi-metallic and have a steel backing plate. Features Semi-metallic with a steel backing plate Pad shape number: 59 | Trp | Disc Brake Pads For Flat Mount Hylex, Hylex Rs & Hd-T190, Semi-Meta