DID chain, 428&nbsp;VX, 126&nbsp;links (x Open Ring), with Clip Lock Sealed X-Ring Tensile strength: 3360 kg stahlfarbene inner and outer flaps designed specifically for Road and Off Road (up to a maximum of 350 cc) Open Chain with Clip Lock D.I.D Pro-Street X-Ring VX series chains have much greater rigidity and wear resistance than the previous VM series. A patented low friction X-Ring is used for maximum performance. Best-selling D.I.D chain due to it's high performance and great value.