D.I.D VX Master Link - 428x - For 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.