Brakco Brake Pad Shimano B01S Disc OrganicGroup: DeoreMaterial: OrganicOrganic brake pads typically consist of a combination of Kevlar, rubber, and silica, bonded with resin. If you prefer brakes that operate quietly and aren’t bothered by noise, organic pads, also known as resin pads, are an ideal choice as they are recognized for being the most silent option.Compatibility Deore, Deore Mechanical, Tektro Auriga, Comp, E-Comp, TRP, Giant RootINSTRUCTIONS Brakes are a safety-critical part of the bicycle. If you are not familiar with the braking system we recommend installation by a qualified technician. Improper installation may result in poor performance or brake failure. You will find fitting instructions in your braking system owners manual. Make sure disc surface is clean and free of any damage prior to installation. The disc pads will require a breaking in period to reach optimum performance.