Product Description Hayes brake pads for the Dominion A4 disc brake provide reliable braking power. With the sintered pads you get the highest braking performance in all weather conditions. The semi-metallic pads offer you increased control and quiet braking. Specifications:Brake Pad Compound:sintered, semi-metallicBacking Plate Material:steelCooling Fins:noModels:universal / sintered metal: Brake Pad Compound:sinteredCompatibility:Dominion A4 universal / semi-metal: Brake Pad Compound:semi-metallicCompatibility:Dominion A4Contents:1 pair of Hayes brake pads Manufacturer: Hayes Performance Systems GmbH Dirnismaning 20a 85748 Garching bei München Germany techsupportEU@hayesbicycle.com