The 520ERV7 is the Drive chain of FACTORYSpecifications with no compromise based on development data from the FactoryTeam of MotoGP and Japan.. The pin is designed with the same specifications as those used in MotoGP to transmit the power of medium and large competition vehicles without loss..
Feature 1] Ideal for medium- and large-sized competition vehicles A thicker pin is adopted to improve the rigidity of the chain and achieve a direct response that responds linearly to the rider's accelerator operation.. Feature 2] Increased strength Plate material is optimized, chain elongation is reduced and strength is improved by more than 5%. Excellent performance for the latest electronically controlled vehicles. Feature 3] DimplePin processing reduces weight. Dimple processing on the tip of the pin to reduce weight and friction by reviewing the seal shape..