D.I.D is a Japanese manufacturer of high-performance transmission parts that is renowned worldwide for the quality of its chains & chain kits. This make is closely involved in competitive motorcycling & develops its chains in partnership with numerous world championship teams. * ZVM-X Type chain * Made up of X-Ring links * Designed for machines with large engines * Designed to improve resistance to the loads applied * Very precise transmission of power to the rear wheel without any loss of power More rigid than standard chains * A benchmark in terms of reliability & longevity * Rivet tool Article: D.I.D 525ZVM-X Drive Chain 525 Article: D.I.D 525ZVM-X Drive Chain 525