The MRD7 Series is EK Chains 7th generation motocross specific racing chain. Featuring a revised pin design and CRH chromium carbide coating for maximum wear reduction and performance. A total weight reduction of 3% has been achieved through lightening holes on the inner plates. This also aids in service life as heat is dissipated more quickly and dirt builds up less.

14-520MRD711-120

EK 520 Race Chain 120 Link – Gold

14-520MRD7-120

EK 520 Race Chain 120 Link – Standard

14-520MRD702-120

EK 520 Race Chain 120 Link –
Black & Gold

The ‘SRO’ series chains offer a value-priced sealed O-Ring chain that won’t compromise on quality or durability. Features include lightening holes on the inner plate, heat treated steel, and the same high level of craftsmanship EK puts in their entire complete range.

14-428SRO611-120

EK 428 O-Ring Chain 120 Link – Gold

14-428SRO6-120

EK 428 O-Ring Chain 120 Link

The DEX Series offers the benefits of a sealed Quadra X-Ring (QX-Ring) chain while keeping budget in mind. Achieved by matching EK’s proven heavy duty chain links with the premium QX-Ring sealing technology.

14-520DEX-120

EK 520 QX-Ring Chain 120 Link

The SRX2 series from EK is touted as the ultimate sportbike chain. With the now second generation featuring lightening holes and design updates that improve friction reduction. The QX-Ring seal allows this chain to achieve between 1.5-2 times longer life than a standard O-Ring.

14-520SRX2-120

EK 520 QX-Ring Chain 120 Link – Standard

14-520SRX211-120

EK 520 QX-Ring Chain 120 Link – Gold

EK’s Road Race / Supermoto chain is the most narrow 520 pitch chain on the market. When you’re serious about racing, this chain provides the lightest weight possible without compromising strength and dependability. Also available unsealed in 415 pitch for smaller applications.

14-520RRSM11-120

EK 520 SX-Ring Chain 120 Link – Gold

14-520RRSM10-120

EK 520 SX-Ring Chain 120 Link – Chrome

EK’s heavy duty QX-Ring chain is the idea choice for 600cc-1000cc street bikes. Featuring side plate lightening holes, large diameter pins, and the premium friction reducing QX-Ring seal to ensure 1.5-2 times longer life than a standard O-Ring option. It also comes standard at 130 links, x10 more than a typical 520 chain for applications that require extra length.

14-520MVXZ2-120

EK 520 QX-Ring Chain 120 Link – Standard

With a tensile strength reaching 11,100lbs, the ZVX3 is the strongest chain on the market. Sealed with the most advanced ‘NX’-Ring (Narrow X-Ring). The ultrastrong ZVX3 range has an increased life of 15% over the previous generation ZVX2. Suitable for 1000cc+ street and track bikes, or for applications where maximum strength and chain life is desired.

14-520ZVX311-120

EK 520 NX-Ring Chain 120 Link – Gold

14-520ZVX3-120

EK 520 NX-Ring Chain 120 Link

520MRD7 Motocross Race Chains

The MRD7 Series is EK Chains 7th generation motocross specific racing chain. Featuring a revised pin design and CRH chromium carbide coating for maximum wear reduction and performance. A total weight reduction of 3% has been achieved through lightening holes on the inner plates. This also aids in service life as heat is dissipated more quickly and dirt builds up less.

14-520MRD711-120

EK 520 Race Chain
120 Link – Gold

14-520MRD7-120

EK 520 Race Chain
120 Link – Standard

14-520MRD702-120

EK 520 Race Chain
120 Link – Black & Gold

520SRO6 O-Ring Chains

The ‘SRO’ series chains offer a value-priced sealed O-Ring chain that won’t compromise on quality or durability. Features include lightening holes on the inner plate, heat treated steel, and the same high level of craftsmanship EK puts in their entire complete range.

14-428SRO611-120

EK 428 O-Ring Chain
120 Link – Gold

14-428SRO6-120

EK 428 O-Ring Chain
120 Link

520DEX QX-RING CHAINS

The DEX Series offers the benefits of a sealed Quadra X-Ring (QX-Ring) chain while keeping budget in mind. Achieved by matching EK’s proven heavy duty chain links with the premium QX-Ring sealing technology.

14-520DEX-120

EK 520 QX-Ring Chain
120 Link

520SRX2 QX-RING CHAINS

The SRX2 series from EK is touted as the ultimate sportbike chain. With the now second generation featuring lightening holes and design updates that improve friction reduction. The QX-ring seal allows this chain to achieve between 1.5-2 times longer life than a standard O-ring.

14-520SRX211-120

EK 520 QX-Ring Chain
120 Link – Gold

14-520SRX2-120

EK 520 QX-Ring Chain
120 Link – Standard

520RRSM NARROW CHAIN

EK’s Road Race / Supermoto chain is the most narrow 520 pitch chain on the market. When you’re serious about racing, this chain provides the lightest weight possible without compromising strength and dependability. Also available unsealed in 415 pitch for smaller applications.

14-520RRSM11-120

EK 520 SX-Ring Chain
120 Link – Gold

14-520RRSM10-120

EK 520 SX-Ring Chain
120 Link – Chrome

520MVXZ QX-RING H/DUTY

EK’s heavy duty QX-Ring chain is the idea choice for 600cc-1000cc street bikes. Featuring side plate lightening holes, large diameter pins, and the premium friction reducing QX-Ring seal to ensure 1.5-2 times longer life than a standard O-Ring option. It also comes standard at 130 links, x10 more than a typical 520 chain for applications that require extra length.

14-520MVXZ2-120

EK 520 QX-Ring Chain
120 Link – Standard

520ZVX3 NX-RING H/DUTY

With a tensile strength reaching 11,100lbs, the ZVX3 is the strongest chain on the market. Sealed with the most advanced ‘NX’-Ring (Narrow X-Ring). The ultrastrong ZVX3 range has an increased life of 15% over the previous generation ZVX2. Suitable for 1000cc+ street and track bikes, or for applications where maximum strength and chain life is desired.

14-520ZVX311-120

EK 520 NX-Ring Chain
120 Link – Gold

14-520ZVX3-120

EK 520 NX-Ring Chain
120 Link

GUARANTEED LONGER CHAIN LIFE.

Less Weight + Less Friction = Longer Chain Life. Research and development at EK Chains have always focused on creating technological breakthroughs.