ISR was founded in 1968 as a manufacturer of high quality motorcycle parts, manufacturing their first master cylinder way back in 1972. Since then, their acquired experience has allowed them to refine and improve their products to the point where we believe their features, functionality and quality are second to none. During ISR’s history they have produced the first billet aluminium calipers, won the World Endurance Championship and seen their calipers used on GP bikes at the pinnacle of motorcycle sport. We know ISR produce a product you can put your braking confidence in too.