DID PBR Chain Kit 520VX3 15 47 Standard Standard Rear Sprocket this product adds an extra this product adds an extra “racing” touch to your all terrain motorbike New dual button design also features a new plunger which is machined further away to give greater clearance on new KTM models but also has extra reach to ensure max engagement Pin Length: 0 Chain 520VX3: The VX Series chain is a great chain upgrade from OEM and is our most popular and widely used chain on both on and off road bikes