EK Chains 520 120 Link QX Ring Gold Heavy Duty Chain

How to Install a Chain Master Link

$179.95

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The SRX2 series chains are an excellent value for any machine. The SRX2 incorporates the Quadra X-Ring design which increases chain life from 1.5 to 2 times longer than a standard O-Ring chain. The QX-Ring design also reduces friction by 40% compared to the standard O-Ring chain.

All EK Chains motocross chains utilize our CRH pin treatment which provides an extremely hard outside coating and softer inside to increase strength and reduce chain wear. Exclusive to EK Chains, the Chormium Carbide pin surface coating also offers superior impact and shock absorption while reducing oxidation caused by natural elements.

The 520 SRX2 also features lightening holes in the side plates to reduce the chain's overall weight by 3% without compromising tensile strength. These holes also extend the service life of the chain by dissipating heat and helping reduce dirt and mud build up.

Specifications

Pin: Diameter 5.38mm Length 19.95mm
Roller: Diameter 10.16mm
Plate Thickness: Inner 2mm, Outer 2mm
Tensile Strength: 8,500 lbs.
Wear Life Index: 1500 (Std. as 100)
Weight (100 Links): 1.57kg
Max Disp. CC's: Street 750, Dirt 650
Includes rivet link

(EK520SRX2G120)

Chain	Pitch (mm)	Inner width (mm)	Roller diameter (mm)	Pin length (mm)	Plate thickness inner/outer (mm)	Middle static strenght (N)	Weight of 100 links (kg)	Connecting link	Plates colour outer-inner
420 MX	12.7	6.35	7.75	16.6	1.8/1.8	22000	0.89	CLIP	gold-black
428 MX	12.7	7.75	8.51	17.8	1.8/1.6	23000	1.05	CLIP	gold-black
520 EC	15.875	6.35	10.16	18.5	2.2/2.2	38000	1.62	CLIP	yellow-black
520 M	15.875	6.35	10.16	18.1	2.2/2	35000	1.51	CLIP	blue-yellow
520 MX	15.875	6.35	10.16	18.1	2.2/2	35800	1.51	CLIP	gold-black