{"product_id":"zipp-cartridge-bearings-bearing-kit-ctbr0073","title":"Zipp 61903 Ceramic Bearing Upgrade Kit | High-Performance Ceramic Bearings for ZR1, ZM2, Cognition Hubs | Enhanced Durability \u0026 Smoothness","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eEnhance Your Cycling Performance with the Zipp 61903 Ceramic Bearing Upgrade Kit\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eUpgrade your bicycle's wheel hubs with the high-performance Zipp 61903 Ceramic Bearing Upgrade Kit, designed to deliver unparalleled speed, durability, and smoothness. Crafted with advanced ceramic technology, this upgrade kit is ideal for serious cyclists seeking to optimize their bike's efficiency and reliability.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering Excellence\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eConstructed from premium-grade ceramic, the Zipp 61903 bearings offer superior hardness, lightweight strength, and exceptional corrosion resistance. The ceramic material reduces friction significantly compared to traditional steel bearings, resulting in a smoother ride and less energy loss during pedaling.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003ePerformance \u0026amp; Components\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eSpecifically engineered for compatibility with ZR1 and ZM2 hubs, as well as Cognition Rear hubs, Cognition\/76 disc front hubs, and all 176 rear hubs, this kit includes two ceramic bearings tailored for high-performance cycling. The precise engineering minimizes rolling resistance and maximizes rotational efficiency, making it ideal for road racing, gravel grinding, and triathlons.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eInnovative Features \u0026amp; Tech\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eFeaturing SRAM Model ID HU-SPP-A0, the Zipp Ceramic Bearing Upgrade Kit integrates seamlessly with various high-end wheelsets, providing enhanced durability and reduced maintenance intervals. Its ceramic technology ensures consistent performance under demanding conditions, whether mountain biking or competitive road cycling.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eDesigned for the discerning cyclist, this upgrade kit combines sleek engineering with functional performance, making it suitable for competitive racers, cycling enthusiasts, and those looking to extend their wheelset's lifespan. Elevate your riding experience with smoother spins, quicker accelerations, and improved overall efficiency.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eWhy Choose Zipp 61903 Ceramic Bearing Upgrade Kit?\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Reduces friction for faster, more efficient riding\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Highly durable ceramic construction resists wear and corrosion\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Compatible with multiple Zipp and Cognition hub models\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Easy to install, offering immediate performance benefits\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Ideal for road, gravel, and triathlon bikes\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eOptimize your bike's performance today with the Zipp 61903 Ceramic Bearing Upgrade Kit - the perfect upgrade for cyclists demanding smooth, fast, and reliable wheel performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eUpgrade your bicycle's performance with the Zipp 61903 Ceramic Bearing Upgrade Kit, engineered for precision and durability. \u003c\/li\u003e\n\u003cli\u003eConstructed from high-grade ceramic material, these bearings provide superior low-friction performance for increased speed and efficiency on every ride. \u003c\/li\u003e\n\u003cli\u003eDesigned specifically for compatibility with ZR1, ZM2 hubs, Cognition rear hubs, and 76 disc front hubs, ensuring a seamless installation and optimized drivetrain responsiveness. \u003c\/li\u003e\n\u003cli\u003eFeaturing advanced ceramic technology, these bearings reduce rotational resistance and resist corrosion, extending the lifespan of your hub components. \u003c\/li\u003e\n\u003cli\u003eIdeal for serious cyclists and road racers seeking lightweight, high-performance bearing solutions that enhance ride quality and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Zipp","offers":[{"title":"Default Title","offer_id":42205131604035,"sku":"CTBR0073","price":235.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/Zipp-Cartridge-Bearings-Cartridge-Bearing-_CTBR0073_DFT.jpg?v=1773437220","url":"https:\/\/365cycles.com\/products\/zipp-cartridge-bearings-bearing-kit-ctbr0073","provider":"365 Cycles","version":"1.0","type":"link"}