{"product_id":"zipp-858-nsw-tubeless-disc-rear-wheel-1","title":"Zipp 858 NSW Tubeless Disc Rear Wheel","description":"\u003cdiv\u003e\n  \u003cp\u003eThe \u003cstrong\u003eZipp 858 NSW Tubeless Disc Rear Wheel\u003c\/strong\u003e is a flagship-level aero road and triathlon wheel engineered for maximum speed, efficiency, and stability. With its undulating 82–85 mm rim depth, tubeless compatibility, and advanced NSW technologies, the 858 is designed for time trials, triathlons, and fast road racing where every watt matters.\u003c\/p\u003e\n\n  \u003cp\u003eThe rim profile features Zipp’s patented Sawtooth™ technology with Hyperfoil™ nodes, designed to improve crosswind stability while maintaining unmatched aerodynamic efficiency. Its 23 mm internal width is optimized for 28 mm tubeless road tires, reducing rolling resistance and increasing rider comfort. The hooked tubeless design ensures compatibility with a wide range of tire options, while disc brake integration delivers consistent stopping power in all conditions.\u003c\/p\u003e\n\n  \u003cp\u003eAt the core is the Cognition V2 rear hub, equipped with an Axial Clutch V2™ mechanism that reduces drag and engages quickly for efficient power transfer. Sapim CX-Ray bladed spokes complete the build, balancing stiffness, aerodynamics, and lightweight responsiveness. The 858 NSW is built for athletes chasing podium finishes and new personal bests.\u003c\/p\u003e\n\n  \u003ch3\u003eZipp 858 NSW Tubeless Disc Rear Wheel Specs at a Glance\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRim Depth:\u003c\/strong\u003e 82–85 mm (Sawtooth™ profile)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInternal Width:\u003c\/strong\u003e 23 mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExternal Width:\u003c\/strong\u003e ~28 mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRim Type:\u003c\/strong\u003e Hooked tubeless-ready carbon\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrake Type:\u003c\/strong\u003e CenterLock Disc\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTire Compatibility:\u003c\/strong\u003e Tubeless or clincher; optimized for 28 mm road tires\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHub:\u003c\/strong\u003e Cognition V2 Disc with Axial Clutch V2™\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e Sapim CX-Ray, bladed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAxle Compatibility:\u003c\/strong\u003e 12×142 mm thru-axle\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFreehub Options:\u003c\/strong\u003e SRAM XDR or Shimano HG\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 1,020 g (rear)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eDesign Benefits\u003c\/h3\u003e\n  \u003col\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAero Advantage:\u003c\/strong\u003e Sawtooth™ rim profile minimizes drag and enhances crosswind stability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWider, Faster Setup:\u003c\/strong\u003e 23 mm internal rim width pairs perfectly with 28 mm tubeless tires for lower rolling resistance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEfficient Hub Design:\u003c\/strong\u003e Cognition V2 hub with Axial Clutch V2™ reduces drag and improves engagement.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDisc Brake Precision:\u003c\/strong\u003e CenterLock system ensures confident braking and handling in any conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRace-Ready Build:\u003c\/strong\u003e Lightweight carbon construction and Sapim CX-Ray spokes deliver stiffness and speed.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\n  \u003ch3\u003eFinal Take\u003c\/h3\u003e\n  \u003cp\u003eThe \u003cstrong\u003eZipp 858 NSW Tubeless Disc Rear Wheel\u003c\/strong\u003e is built for serious athletes seeking the ultimate aero advantage. With its unique rim profile, wide tubeless platform, and advanced hub technology, this wheel is purpose-made for triathlon, time trial, and fast road racing performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Zipp","offers":[{"title":"HG11 (Shimano \/ SRAM 11s)","offer_id":44418977792044,"sku":"00.1918.773.000","price":2300.0,"currency_code":"USD","in_stock":true},{"title":"XDR Driver","offer_id":44418977824812,"sku":"00.1918.773.001","price":2300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/zipp-858-nsw-tubeless-disc-rear-wheel-5947060.jpg?v=1771293314","url":"https:\/\/ricycles.com\/es\/products\/zipp-858-nsw-tubeless-disc-rear-wheel-1","provider":"RA Cycles","version":"1.0","type":"link"}