D.I.D’s Professional sealed chains incorporate D.I.D’s uniquely designed seal-rings which seal D.I.D’s special " V" grease in the pin/bushing area and lock dirt out. They are expected to last at least ten times longer than ordinary construction standard chains without significant wear elongation under satisfactory maintenance.

D.I.D X-Ring chain is designed for today’s high performance motorcycles. The patented X-Ring construction creates a chain that is low in friction and high in wear resistance. D.I.D’s new X-Ring chain is used by top factory road race teams, the 525HV is used as original equipment on Ducati 916’s. For the very best in performance and durability ask your dealer for D.I.D X-Ring Chain.

X-Ring is Lowest in Friction and Superior in Wear Resistance

15,000 mile Warranty or 2 years on 50(530)ZVM

X-Ring X-Ring
Type XW-Ring


Q.    What is the difference between D.I.D’s X-Ring and O-Ring?
A.    D.I.D’s X-Ring is about 50% lower friction and delivers 50% to 100% longer wear resistance.

Q.    What is the difference between D.I.D’s X-Ring and other brands " low friction" style O-Ring?
A.    D.I.D’s X-Ring twists under pressure from the side plates reducing friction compared to other type squashed designs. Please see comparison chart.

Q.    Are X-Rings weaker than O-Rings?
A.    D.I.D’s X-Rings have 1.8 times greater durability than conventional O-Rings.

Q.    Does my D.I.D X-Ring or O-Ring chain require lubrication?
A.    Your chain’s X-Ring or O-Ring holds special D.I.D V Grease between the pins and the bushings only. Your X-Ring or O-Ring chain does require lubrication between the bushings and the rollers to help extend their life. In addition, your X-Ring or O-Ring chain also requires external lubrication to protect against ozone damage and to extend the life of the chain’s X-Ring and O-Ring.

Q.    What is the recommended lubrication for my D.I.D X-Ring or O-Ring Chain?
A.    It is recommended that you use D.I.D Special Grease, or SAE 80-90 oil.

Q.    How often should my D.I.D X-Ring or O-Ring chain be lubricated?
A.    Ideally, you should lubricate your chain every 300-400 miles (500-640km).

Q.    What is the recommended solvent for cleaning my D.I.D X-Ring or O-Ring chain?
A.    It is recommended that you wash your chain in paraffin. Never use steam, volatile solvents, petrol or benzine. After cleaning, you must lubricate your X-Ring or O-Ring chain with the abo
ve recommended grease or oil.

SUPERBIKE SERIES D.I.D Superbike Chains are original equipment on top factory makes and models. These chains were made to meet certain manufacturer requirements for strength and durability on today's high performance machines.
Model No. Pin
Weight Tensile
Index: Std.
Chain = 100
Inner Outer Kgs/ Lbs./
mm in mm mm mm 100 Links 100 Links KN Lbs.
50(530)ZVM 25.30 .996 10.30 2.4 2.6 2.29 5.04 46.3 10,400 X 3,700