428 Upgrade D.I.D Chain & JT Sprocket Kit As Standard The Z125 Runs A 420 Chain This Upgrade Kit Contains a 428 Chain Which Gives Improved Looks On The Bike and Giving More Mileage From The Chain  JT 15 Tooth Front Sprocket JT 34 Tooth Black Rear Sprocket D.I.D Gold Chain 428 Gold Covered Side Plates

Complete with Split Link