{"product_id":"ek-chain-520-z-3d-qx2-ring-chain-black-gold","title":"EK Chain 520 Z\/3D QX2-Ring Chain Black\/Gold – Open with Rivet Link, 116–120 Links","description":"\u003cp\u003eFor riders who want dependable, low-maintenance drivetrain performance every single day, the EK 520 Z\/3D QX2-Ring chain in Black\/Gold delivers a compelling combination of long service life, robust construction, and a striking two-tone finish — all at a price point that makes it one of the most practical upgrades available for road and supersport machines.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eQX2-Ring seal technology reduces internal friction, retains lubrication longer, and significantly cuts maintenance intervals compared with conventional O-ring chains\u003c\/li\u003e\n\u003cli\u003eRelative service life rating of 3500 per 100 links — a genuine measure of how far this chain goes between replacements\u003c\/li\u003e\n\u003cli\u003e41.6 kN (9,352 lbs) tensile strength handles the demands of high-output road and supersport engines with ease\u003c\/li\u003e\n\u003cli\u003eThreeD Z-series (Z\/3D) construction provides a stable, fatigue-resistant link geometry that maintains consistency under sustained load\u003c\/li\u003e\n\u003cli\u003eSupplied open with a rivet link for a permanent, high-integrity connection — the preferred fitting method for performance road use\u003c\/li\u003e\n\u003cli\u003eBlack\/Gold two-tone finish adds visual character while the surface treatment offers meaningful corrosion resistance for year-round riding\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQX2-Ring Technology — More Miles, Less Effort\u003c\/h2\u003e\u003cp\u003eThe QX2-Ring seal sits between the inner and outer plates of each link, keeping factory grease locked inside the pin-bush interface and road contamination locked out. Compared with older X-ring or O-ring designs, the QX2 profile generates less friction against the side plates, which translates into a small but real gain in drivetrain efficiency and a noticeably extended service interval. For riders who commute, tour, or simply prefer spending time riding rather than cleaning a chain, this technology makes a practical difference week to week.\u003c\/p\u003e\u003ch2\u003eZ\/3D Construction — Built for Sustained Road Use\u003c\/h2\u003e\u003cp\u003eEK's ThreeD Z-series manufacturing process produces link plates with a controlled thickness profile that distributes load more evenly across each joint. The result is a chain that resists the micro-fatigue that eventually causes conventional chains to stretch prematurely. At a weight of 1.69 kg per 100 links, the 520 Z\/3D is proportioned for real-world road use — light enough to suit middleweight and litrebike sportsters, strong enough to handle sustained highway and spirited back-road riding without complaint.\u003c\/p\u003e\u003ch2\u003eBlack\/Gold Finish — Function and Style Combined\u003c\/h2\u003e\u003cp\u003eThe contrast between the black inner plates and gold outer plates is a deliberate aesthetic choice that suits the visual language of modern supersport machines. Beyond its appearance, the surface finish adds a layer of corrosion resistance that keeps the chain looking presentable through changing weather — genuinely useful for anyone who doesn't store their bike for winter. The coating is durable enough for everyday use and holds up well to regular chain cleaning and lubrication routines.\u003c\/p\u003e\u003ch2\u003eRivet Link Closure — Proper Fitment for Performance Machines\u003c\/h2\u003e\u003cp\u003eThis chain is supplied open with a rivet link rather than a clip link. A riveted connection is mechanically superior for high-load applications because it cannot be accidentally dislodged and distributes stress across the full pin diameter. It does require a chain riveting tool to fit correctly, and Inter-Pace recommends professional installation or use of the appropriate EK riveting tool if fitting at home.\u003c\/p\u003e\u003ch2\u003eFitment and Compatibility\u003c\/h2\u003e\u003cp\u003eThe EK 520 Z\/3D QX2-Ring chain is a 520-pitch chain available in 116, 118, and 120 link lengths to suit a wide range of sprocket configurations and swingarm setups. It is suitable for the following makes and representative models (always verify your exact sprocket tooth count and chain line before ordering):\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAprilia: RSV4, RSV4 R, RSV4 RR, RSV4 RF, RSV4 1100, RSV4 1100 Factory, RS 660, RS 457, V4, V4 R, V4 S\u003c\/li\u003e\n\u003cli\u003eBMW: S1000RR, M1000RR, HP4, HP4R\u003c\/li\u003e\n\u003cli\u003eBimota: KB998 Rimini\u003c\/li\u003e\n\u003cli\u003eCFMOTO, QJMotor: SKR 800 RR, V2 890, V2 S 890, V2 955\u003c\/li\u003e\n\u003cli\u003eDucati: 848, 899, 959, 1199, 1199 S, 1199 R, 1299, 1299 S\u003c\/li\u003e\n\u003cli\u003eHonda: CBR 600 RR, CBR 1000 RR, CBR 1000 RR-R\u003c\/li\u003e\n\u003cli\u003eKawasaki: ZX-4 RR, ZX-6R, ZX-10 R, ZX-10 RR, Ninja 400\u003c\/li\u003e\n\u003cli\u003eKTM: RC 390, RC8 1190, 990 RC R\u003c\/li\u003e\n\u003cli\u003eMV Agusta: F3, F4, 675 SR-R, 450 SR\u003c\/li\u003e\n\u003cli\u003eSuzuki: GSX-R 600, GSX-R 750, GSX-R 1000\u003c\/li\u003e\n\u003cli\u003eTriumph: Daytona 675, Daytona 675 R, Daytona 765, Daytona 765 Moto 2, Street Triple 765 R, Street Triple 765 RS\u003c\/li\u003e\n\u003cli\u003eYamaha: R3, R6, R7, R9, R1, R1M\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChain pitch: 520\u003c\/li\u003e\n\u003cli\u003eLink count: 116, 118, or 120 (choice of variant)\u003c\/li\u003e\n\u003cli\u003eSeal type: QX2-Ring\u003c\/li\u003e\n\u003cli\u003eChain type: Z\/3D (ThreeD Z-series)\u003c\/li\u003e\n\u003cli\u003eTensile strength: 41.6 kN \/ 9,352 lbs\u003c\/li\u003e\n\u003cli\u003eWeight: 1.69 kg per 100 links\u003c\/li\u003e\n\u003cli\u003eRelative service life: 3500 per 100 links\u003c\/li\u003e\n\u003cli\u003eColour: Black\/Gold\u003c\/li\u003e\n\u003cli\u003eClosure: Rivet link (open chain)\u003c\/li\u003e\n\u003cli\u003eIntended use: Road\u003c\/li\u003e\n\u003cli\u003eManufacturer: EK Chain\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EK Chain","offers":[{"title":"Black\/Gold \/ 116 \/520","offer_id":53168602120458,"sku":"520Z\/3D-BK\/G 116 MLJ","price":499000.0,"currency_code":"CDF","in_stock":true},{"title":"Black\/Gold \/ 118 \/520","offer_id":53168602153226,"sku":"520Z\/3D-BK\/G 118 MLJ","price":508000.0,"currency_code":"CDF","in_stock":true},{"title":"Black\/Gold \/ 120 \/520","offer_id":53168602185994,"sku":"520Z\/3D-BK\/G 120 MLJ","price":516000.0,"currency_code":"CDF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/Z_3Dblackgold.png?v=1780809622","url":"https:\/\/inter-pace.com\/en-cd\/products\/ek-chain-520-z-3d-qx2-ring-chain-black-gold","provider":"Inter-Pace","version":"1.0","type":"link"}