Covers 1991 to 1996 Models. Genuine Japanese DID Grey X-Ring Chain & JT Sprockets Kit. Front & Rear Top Quality JT Carbon Steel Sprockets (530 Pitch Chain, 15 Front & 43 Rear). 1 x DID Japanese Professional X-Ring VX Series OE Chain (with a rivet type connecting link). DID is a Japanese original equipment chain. In developing the Pro-Street VX Series, D. D focused on improving chain “Rigidity”. Traditionally, “Tensile Strength” has been used to measure the strength of a chain. But Tensile Strength is only a laboratory measurement of a chain’s “breaking point”. Rigidity increases a chain’s ability to withstand forces that occur in a rider’s real world experience. Rigidity increases power transfer from the engine to the ground and greater resistance to stretching under load. The JT Sprockets factory is the largest and most advanced in the world. It is fully equipped with high accuracy machinery, including the latest generation of CNC computer design and computer controlled metal cutting equipment. The essence of a high quality sprocket is in the high precision of manufacturing and the inherent quality of the material. Through accurate machining, JT ensures maximum durability and performance. JT Sprockets are manufactured the right way – by hobbing, machining and drilling. This is the only proven way to achieve the closest of tolerances and the most accurate teeth profiles. Heat treated and hand finished to perfection, all JT sprockets meet or exceed the highest possible quality standards set for the motorcycle industry.