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The 520MX is D.I.D’s strongest
motocross race chain designed for
severe muddy and sandy conditions
The 520DZ2 is designed
to meet the demands of
the most grueling MX
tracks. And it is now
available at low afford-
The 420NZ3 and 428NZ chains are the
youngest brothers of D.I.D’s ER Series
Racing Chains. Designed for mini bike
racing - Future Champions will win
with these chains
D.I.D’s 520ERT2 is the #1 choice of top
factory supercross & motocross teams
Model Weight Tensile Maximum
Number per100 links Strength c.c.’s
520ERT2 2. 99 lbs. 8, 100 lbs. 450 c.c.
520MX 3. 43 lbs. 8,930 lbs. 500 c.c.
520DZ2 3.08 lbs. 7,870 lbs. 450 c.c.
428NZ 2. 20 lbs. 5,740 lbs. 100 c.c.
420NZ3 1.81 lbs. 4,930 lbs. 150 c.c.
D.I.D MX race chains have our SDH pin treatment
that creates a hard chromium carbide layer on
the pin surface for added strength and long life
Photo: S Cudby