{"product_id":"xp-pro-rear-knuckles","title":"Polaris RZR XP Pro Rear Knuckles - 6061 Billet Aluminum, Sealed Bearing Carrier, Direct Bolt-In (Sold in Pairs)","description":"\u003c!-- CORE_FITMENT_TABS_START --\u003e\n\u003cstyle\u003e\n#core-product-tabs-10502077677870 .core-tab-radio {\n  position: absolute;\n  opacity: 0;\n  pointer-events: none;\n}\n#core-product-tabs-10502077677870 .core-tab-labels {\n  display: flex;\n  gap: 0;\n  margin: 0 0 16px 0;\n  border-bottom: 1px solid #d8d8d8;\n}\n#core-product-tabs-10502077677870 .core-tab-labels label {\n  display: inline-block;\n  padding: 10px 16px;\n  margin: 0 4px -1px 0;\n  border: 1px solid #d8d8d8;\n  background: #f7f7f7;\n  color: #222;\n  font-weight: 600;\n  cursor: pointer;\n  border-radius: 4px 4px 0 0;\n}\n#core-product-tabs-10502077677870 .core-tab-panel {\n  display: none;\n}\n#core-tab-desc-10502077677870:checked ~ .core-tab-labels label[for=\"core-tab-desc-10502077677870\"],\n#core-tab-fitment-10502077677870:checked ~ .core-tab-labels label[for=\"core-tab-fitment-10502077677870\"] {\n  background: #fff;\n  border-bottom-color: #fff;\n}\n#core-tab-desc-10502077677870:checked ~ .core-tab-panels .core-description-panel {\n  display: block;\n}\n#core-tab-fitment-10502077677870:checked ~ .core-tab-panels .core-fitment-panel {\n  display: block;\n}\n#core-product-tabs-10502077677870 .core-fitment-panel {\n  line-height: 1.5;\n}\n\u003c\/style\u003e\n\n\u003cdiv id=\"core-product-tabs-10502077677870\"\u003e\n  \u003cinput class=\"core-tab-radio\" type=\"radio\" name=\"core-product-tabs-10502077677870\" id=\"core-tab-desc-10502077677870\" checked\u003e\n  \u003cinput class=\"core-tab-radio\" type=\"radio\" name=\"core-product-tabs-10502077677870\" id=\"core-tab-fitment-10502077677870\"\u003e\n\n  \u003cdiv class=\"core-tab-labels\"\u003e\n    \u003clabel for=\"core-tab-desc-10502077677870\"\u003eDescription\u003c\/label\u003e\n    \u003clabel for=\"core-tab-fitment-10502077677870\"\u003eVehicle Fitment\u003c\/label\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"core-tab-panels\"\u003e\n    \u003cdiv class=\"core-tab-panel core-description-panel\"\u003e\n\u003c!-- CORE_DESCRIPTION_START --\u003e\n\u003ch2 style=\"font-size:22px;line-height:1.3;\"\u003eUpgrade Your RZR XP Pro Rear End with Billet Strength\u003c\/h2\u003e\n\u003cp style=\"color:#333;\"\u003eStop running OEM rear knuckles that are known to wallow out and crack under hard use. The Black Ops Machine Polaris RZR XP Pro Rear Knuckles are machined from 6061 billet aluminum with a sealed bearing carrier for easy serviceability and maximum contamination protection. Hard anodized, direct bolt-in, and sold as a set of 2 spindles — race ready out of the box.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin:24px 0;\"\u003e\n\u003cdiv style=\"background:#f9f9f9;border-top:3px solid #cc0000;padding:14px;text-align:center;border-radius:6px;flex:1 1 120px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:bold;color:#111;\"\u003e6061 Billet Aluminum\u003c\/div\u003e\n\u003cspan style=\"font-size:12px;color:#555;\"\u003eSuperior Strength\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;border-top:3px solid #cc0000;padding:14px;text-align:center;border-radius:6px;flex:1 1 120px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:bold;color:#111;\"\u003eSealed Bearing Carrier\u003c\/div\u003e\n\u003cspan style=\"font-size:12px;color:#555;\"\u003eMax Contamination Protection\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;border-top:3px solid #cc0000;padding:14px;text-align:center;border-radius:6px;flex:1 1 120px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:bold;color:#111;\"\u003eHard Anodized\u003c\/div\u003e\n\u003cspan style=\"font-size:12px;color:#555;\"\u003eAggressive \u0026amp; Durable Finish\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;border-top:3px solid #cc0000;padding:14px;text-align:center;border-radius:6px;flex:1 1 120px;\"\u003e\n\u003cdiv style=\"font-size:22px;font-weight:bold;color:#111;\"\u003eDirect Bolt-In\u003c\/div\u003e\n\u003cspan style=\"font-size:12px;color:#555;\"\u003eNo Modifications Needed\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"border:none;border-top:1px solid #eee;margin:24px 0;\"\u003e\n\u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;\"\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-radius:6px;flex:1 1 200px;\"\u003e\n\u003cspan style=\"color:#cc0000;font-weight:bold;\"\u003e✓\u003c\/span\u003e\u003cstrong\u003e Rear Knuckles \/ Spindles\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003eTwo (2) 6061 billet aluminum units\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-radius:6px;flex:1 1 200px;\"\u003e\n\u003cspan style=\"color:#cc0000;font-weight:bold;\"\u003e✓\u003c\/span\u003e\u003cstrong\u003e Sealed Bearing Carrier\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003ePre-installed for optimal protection\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-radius:6px;flex:1 1 200px;\"\u003e\n\u003cspan style=\"color:#cc0000;font-weight:bold;\"\u003e✓\u003c\/span\u003e\u003cstrong\u003e Hardware Kit\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003eAll necessary bolts and nuts for installation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:14px;border-radius:6px;flex:1 1 200px;\"\u003e\n\u003cspan style=\"color:#cc0000;font-weight:bold;\"\u003e✓\u003c\/span\u003e\u003cstrong\u003e Finish\u003c\/strong\u003e\u003cdiv style=\"color:#555;font-size:13px;\"\u003eHard anodized black for durability\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r1-desc-media\" data-r1-media-index=\"1\" style=\"display:block;border-radius:8px;margin:24px 0;overflow:hidden;\"\u003e\u003c\/div\u003e\n\u003chr style=\"border:none;border-top:1px solid #eee;margin:24px 0;\"\u003e\n\u003ch3\u003eWhy Riders Upgrade\u003c\/h3\u003e\n\u003cdiv style=\"border:1px solid #eee;border-radius:8px;overflow:hidden;margin:16px 0;\"\u003e\n\u003cdiv style=\"display:flex;align-items:flex-start;padding:14px;\"\u003e\n\u003cspan style=\"font-size:20px;margin-right:12px;flex-shrink:0;\"\u003e💪\u003c\/span\u003e\u003cdiv style=\"color:#444;font-size:14px;\"\u003e\n\u003cstrong\u003eSuperior Billet Strength\u003c\/strong\u003e\u003cbr\u003eMachined from solid 6061 billet aluminum, offering significantly more strength and resistance to cracking and wallowing than stock cast knuckles.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:flex-start;padding:14px;background:#fafafa;\"\u003e\n\u003cspan style=\"font-size:20px;margin-right:12px;flex-shrink:0;\"\u003e🛡️\u003c\/span\u003e\u003cdiv style=\"color:#444;font-size:14px;\"\u003e\n\u003cstrong\u003eSealed Bearing Carrier\u003c\/strong\u003e\u003cbr\u003eKeeps mud, water, and dirt out of your wheel bearings, extending their life and simplifying maintenance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:flex-start;padding:14px;\"\u003e\n\u003cspan style=\"font-size:20px;margin-right:12px;flex-shrink:0;\"\u003e🚀\u003c\/span\u003e\u003cdiv style=\"color:#444;font-size:14px;\"\u003e\n\u003cstrong\u003eDirect Bolt-In Installation\u003c\/strong\u003e\u003cbr\u003eDesigned as a direct replacement for your OEM rear knuckles, requiring no modifications for a straightforward installation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;align-items:flex-start;padding:14px;background:#fafafa;\"\u003e\n\u003cspan style=\"font-size:20px;margin-right:12px;flex-shrink:0;\"\u003e🏁\u003c\/span\u003e\u003cdiv style=\"color:#444;font-size:14px;\"\u003e\n\u003cstrong\u003eRace-Ready Durability\u003c\/strong\u003e\u003cbr\u003eBuilt to the high standards demanded by racing applications, ensuring maximum confidence and reliability at high speeds and under extreme conditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"r1-desc-media\" data-r1-media-index=\"2\" style=\"display:block;border-radius:8px;margin:24px 0;overflow:hidden;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"border:1.5px solid #e8e8e8;border-radius:12px;overflow:hidden;margin:24px 0;\"\u003e\n\u003cdiv style=\"background:#111;padding:14px 18px;display:flex;align-items:center;gap:10px;\"\u003e\n\u003cspan style=\"display:inline-block;width:10px;height:10px;background:#22c55e;border-radius:50%;flex-shrink:0;\"\u003e\u003c\/span\u003e\u003cspan style=\"color:white;font-weight:bold;font-size:15px;\"\u003eIn Stock \u0026amp; Ready To Ship\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:18px;\"\u003e\n\u003cp style=\"margin:0 0 8px 0; color:#444;\"\u003e\u003cstrong\u003eProcessing:\u003c\/strong\u003e Packed with care before shipment\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px 0; color:#444;\"\u003e\u003cstrong\u003eTracking:\u003c\/strong\u003e Sent when shipped\u003c\/p\u003e\n\u003cp style=\"margin:0; color:#444;\"\u003e\u003cstrong\u003eConfirmation:\u003c\/strong\u003e Sent after checkout\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 18px;background:#f9f9f9;border-top:1px solid #eee;\"\u003e\u003cem style=\"color:#555;font-size:12px;\"\u003eAlthough rare, some delays may occur. We’ll keep you updated every step of the way.\u003c\/em\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"border:none;border-top:1px solid #eee;margin:24px 0;\"\u003e\n\u003ch3\u003eRZR XP Pro Rear Knuckles vs. Stock Options\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:16px;margin:16px 0;\"\u003e\n\u003cdiv style=\"background:#111;padding:18px;border-radius:8px;flex:1 1 200px;\"\u003e\n\u003cdiv style=\"color:#aaa;font-size:12px;font-weight:bold;margin-bottom:10px;\"\u003eSTOCK RZR XP PRO REAR KNUCKLES\u003c\/div\u003e\n\u003cdiv style=\"color:#ccc;font-size:14px;line-height:1.8;\"\u003e\n\u003cspan style=\"color:#888;\"\u003e✗\u003c\/span\u003e Cast Aluminum Construction\u003cbr\u003e\u003cspan style=\"color:#888;\"\u003e✗\u003c\/span\u003e Prone to Wallowing \u0026amp; Cracking\u003cbr\u003e\u003cspan style=\"color:#888;\"\u003e✗\u003c\/span\u003e Open Bearing Design (Contamination Risk)\u003cbr\u003e\u003cspan style=\"color:#888;\"\u003e✗\u003c\/span\u003e Difficult Bearing Service\u003cbr\u003e\u003cspan style=\"color:#888;\"\u003e✗\u003c\/span\u003e Inferior Strength\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:18px;border-radius:8px;flex:1 1 200px;\"\u003e\n\u003cdiv style=\"color:#cc0000;font-size:12px;font-weight:bold;margin-bottom:10px;\"\u003e⚡ BLACK OPS MACHINE REAR KNUCKLES\u003c\/div\u003e\n\u003cdiv style=\"color:#111;font-size:14px;line-height:1.8;\"\u003e\n\u003cspan style=\"color:green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003e6061 Billet Aluminum\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eResists Wallowing \u0026amp; Cracking\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eSealed Bearing Carrier\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eEasy Bearing Serviceability\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:green;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eSuperior Strength \u0026amp; Durability\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin:24px 0;\"\u003e\n\u003cdiv class=\"r1-desc-media\" data-r1-media-index=\"3\" style=\"flex:1 1 200px;border-radius:8px;background:#f9f9f9;height:260px;overflow:hidden;\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"r1-desc-media\" data-r1-media-index=\"4\" style=\"flex:1 1 200px;border-radius:8px;background:#f9f9f9;height:260px;overflow:hidden;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"border:none;border-top:1px solid #eee;margin:24px 0;\"\u003e\n\u003cdiv style=\"background:#f9f9f9;padding:20px;border-radius:8px;margin:24px 0;\"\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;text-align:center;justify-content:center;\"\u003e\n\u003cdiv style=\"flex:1 1 80px;\"\u003e\n\u003cspan style=\"font-size:22px;\"\u003e🛠️\u003c\/span\u003e\u003cdiv style=\"font-weight:bold;color:#111;font-size:13px;\"\u003eExpert Support\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 80px;\"\u003e\n\u003cspan style=\"font-size:22px;\"\u003e🚀\u003c\/span\u003e\u003cdiv style=\"font-weight:bold;color:#111;font-size:13px;\"\u003eFast Shipping\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 80px;\"\u003e\n\u003cspan style=\"font-size:22px;\"\u003e🔒\u003c\/span\u003e\u003cdiv style=\"font-weight:bold;color:#111;font-size:13px;\"\u003eSecure Checkout\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 80px;\"\u003e\n\u003cspan style=\"font-size:22px;\"\u003e🏆\u003c\/span\u003e\u003cdiv style=\"font-weight:bold;color:#111;font-size:13px;\"\u003eQuality Guaranteed\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003ch3\u003eWhat Riders Are Saying\u003c\/h3\u003e\n\u003cblockquote style=\"border-left:4px solid #cc0000;padding-left:15px;margin:20px 0;font-style:italic;color:#555;\"\u003eWallowed out an OEM rear knuckle after a hard landing in the desert. Put these billet units on and the rear end feels completely transformed — tight and confidence-inspiring. Direct bolt-in made the install straightforward.\u003cbr\u003e\u003cstrong style=\"color:#111;\"\u003e— John D., Arizona\u003c\/strong\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote style=\"border-left:4px solid #cc0000;padding-left:15px;margin:20px 0;font-style:italic;color:#555;\"\u003eThe sealed bearing carrier is the feature that sold me. My OEM bearings were constantly contaminated from mud riding. Two seasons on these knuckles and the bearings are still clean and tight.\u003cbr\u003e\u003cstrong style=\"color:#111;\"\u003e— Sarah K., Utah\u003c\/strong\u003e\n\u003c\/blockquote\u003e\n\u003cdiv style=\"background:#111;padding:25px;text-align:center;margin:30px 0;border-radius:10px;\"\u003e\n\u003ch2 style=\"color:white;margin:0 0 8px 0;font-size:20px;\"\u003eStop Waiting for Failure, Upgrade Your RZR XP Pro Today!\u003c\/h2\u003e\n\u003cp style=\"color:#bbb;margin:0;font-size:15px;\"\u003eInvest in the strength and reliability your RZR XP Pro deserves.\u003c\/p\u003e\n\u003cp style=\"color:#777;font-size:13px;margin:10px 0 0 0;\"\u003eRide with confidence, knowing your rear end is built to withstand the toughest conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- CORE_DESCRIPTION_END --\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"core-tab-panel core-fitment-panel\"\u003e\n      \u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\nPolaris RZR Pro XP\u003cbr\u003e\nPolaris RZR Pro XP 4\u003cbr\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CORE_FITMENT_TABS_END --\u003e","brand":"Black Ops Machine","offers":[{"title":"Default Title","offer_id":51975511736622,"sku":"17-50-02","price":999.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0265\/4076\/9342\/files\/9H4A7440-scaled_88582830-0bd6-4824-b6f7-14b117a3aeee.jpg?v=1776797964","url":"https:\/\/r1industriesoffroad.com\/products\/xp-pro-rear-knuckles","provider":"R1 Industries","version":"1.0","type":"link"}