D.I.D's High Performance Racing Chain for Motocross
This All New D.I.D 520DZ is a great value in a light weight, high performance chain designed for off road riding and motocross racing. The 520DZ is rated up to a 450 c.c. motocross bike and is now available in our popular GOLD
D.I.D's High Performance X-Ring® for Enduros & Desert Racing
Half the Power Loss (Compared with Normal O-Ring) D.I.D’s PATENTED X-Ring construction reduces friction by twisting between the side plates instead of being squashed. Normal O-Rings and other makers’ modified O-Rings have squashed points that increase friction. The twisting action of the X-Ring disperses the pressure and minimizes power loss. X-Ring is a U.S.A. Registered Trademark of D.I.D; Daido Kogyo Co. Ltd. Japan
1.5 to 2 TImes Longer Wear Resistance (Compared with Normal O-Ring) The X-Ring’s four contact points greatly increase its sealing performance. This keeps the dirt out and the lubrication in much better than any other O-Ring. X-Rings have the greatest wear resistance of any other type of O-Ring or Non-O-Ring chain.
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