428 Pro-Street VX Series X-Ring Chain Greater rigidity (7% higher than previous VM). Higher rigidity creates smoother handling, reduced power loss and quicker response. Highest value in all D.I.D series. D.I.D X-Ring has half the friction compared to O-Ring chain. Superior longer life than previous VM series. Replaces the Professional O-Ring V Series and the Premium X-Ring VM Series.

• Average tensile strength 7,420 lbs.
• Suitable for use up to 350 cc

122 Links 428VXX122FB Natural Steel D.I.D.