{"product_id":"regina-520-gpz-series-racing-chain-120-links-135gpz-001","title":"Regina 520 GPZ Series Racing Chain, 120 Links, 135GPZ\/001","description":"520 GPZ Series - Chain - 120 Links\n\u003cp\u003eThe Regina 520 GPZ Series racing chain is engineered exclusively for high-performance motorcycle competition. Designed for Supersport and superbike applications up to 1,000cc, this 120-link chain delivers efficient power transfer, dependable durability, and reduced friction under demanding riding conditions. The 520-size design is suitable for compatible motorcycle drivetrains requiring a lightweight racing chain.\u003c\/p\u003e\u003cp\u003eRegina’s patented Z44 sealing rings help improve performance and extend wear life compared with earlier X-ring and Z-ring chain designs. Special high-temperature grease remains concentrated in the critical pin and bushing areas, supporting long service life and consistent operation during intense use. The chain’s advanced materials and racing-focused construction provide a strong balance of durability and responsiveness.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Intended for compatible Supersport and superbike motorcycles with engines up to 1,000cc. Verify the required chain size, link count, drivetrain specifications, and manufacturer recommendations before installation. This product is manufactured by Regina and is identified by manufacturer and vendor part number 135GPZ\/001.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApplication: Developed exclusively for racing use\u003c\/li\u003e\n\u003cli\u003eChain Size: 520 series\u003c\/li\u003e\n\u003cli\u003eLink Count: 120 links\u003c\/li\u003e\n\u003cli\u003eSealing Technology: Patented Regina Z44 sealing rings help improve performance and wear life\u003c\/li\u003e\n\u003cli\u003eFriction Reduction: Provides up to 50% less friction than traditional O-ring chains\u003c\/li\u003e\n\u003cli\u003eLubrication: High-temperature grease is retained in the critical pin and bushing areas\u003c\/li\u003e\n\u003cli\u003eFitment: Suitable for compatible Supersport and superbike motorcycles up to 1,000cc\u003c\/li\u003e\n\u003cli\u003eBrand: Regina\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 135GPZ\/001\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 135GPZ\/001\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"REGINA","offers":[{"title":"Default Title","offer_id":67547076428011,"sku":"12240044","price":303.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/180911.png?v=1790676619","url":"https:\/\/ctracingservices.com\/products\/regina-520-gpz-series-racing-chain-120-links-135gpz-001","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}