Silver or Black
Call or visit www.didchain.com for
• The Originals are 10% stronger than most OE/Stock rims
• ST-X rims are the strongest, lightweight race rims made
• OE/Stock hubs, spokes and nipples compatible
• Easy to lace up right out of the box, true running
• Great value: Prices start at $138.99 MSRP
520MX is the strongest
motocross race chain designed for severe muddy
and sandy conditions
D.I.D’s 520ERT2 has the
perfect balance between
lightweight & strength -
And is the choice of top
factory SX/MX 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.
428NZ 2. 20 lbs. 5,740 lbs. 100 c.c.
420NZ3 1.81 lbs. 4,930 lbs. 150 c.c.
D.I.D’s 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.
The 420NZ3/428NZ chains
are designed for mini bike
racing - Future Champions
will win with these chains