{"product_id":"bcr5-ultra-performance-bottom-bracket","title":"BCR5 Ultra: Performance Bottom Bracket","description":"\u003ch1 data-path-to-node=\"0\"\u003eIntroducing the Bala Ceramica BCR5 Ultra Ceramic Bottom Bracket Range\u003c\/h1\u003e\n\u003cp data-path-to-node=\"1\"\u003eAt Bala Ceramica, we believe every ounce of power matters. That’s why we engineered the BCR5 Ultra Ceramic Bottom Bracket range—a meticulously crafted collection designed to minimize drivetrain friction and maximize efficiency for modern high-performance road and gravel machines. Leveraging aerospace-grade materials, precision engineering, and the benefits of Silicon Nitride (Si3N4) ceramic technology, the BCR5 series is the ultimate upgrade for reducing parasitic drag and future-proofing your drivetrain. Designed and validated in our state-of-the-art facility in Orlando, Florida, the BCR5 range is now available on bala-ceramica.com.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eThe Bala Advantage: BCR5 Series Key Technologies\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eABEC 5 Certified:\u003c\/b\u003e Every BCR5 bottom bracket is validated to ABEC 5 tolerances, ensuring perfect alignment, whisper-quiet operation, and incredible longevity. We refuse to compromise on precision.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eGrade 5 Silicon Nitride (\u003cspan class=\"math-inline\" data-math=\"Si_3N_4\" data-index-in-node=\"25\"\u003e$Si_3N_4$\u003c\/span\u003e) Balls:\u003c\/b\u003e We utilize high-grade, precision-ground ceramic spheres that are harder, smoother, and lighter than steel, significantly reducing rolling resistance and rotational weight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003ePolished Tool Steel Races:\u003c\/b\u003e Our races undergo a proprietary mirror-finish polishing process, optimized to handle the extreme hardness of ceramic balls without the surface degradation common with industrial bearings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eDual-Lip Non-Contact Sealing:\u003c\/b\u003e Engineered to balance superior environmental protection with zero drag, our specialized non-contact seals keep contamination out while ensuring the spindle spins with minimal resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eBala HDN Synthetic Grease:\u003c\/b\u003e A custom-formulated lubricant designed specifically for high-speed, precision ceramic applications, maintaining consistent viscosity and reducing stiction across a wide temperature range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,5,0\"\u003e\u003cb data-path-to-node=\"3,5,0\" data-index-in-node=\"0\"\u003eC3 Internal Clearance:\u003c\/b\u003e This precise clearance allows for thermal expansion during intense efforts, preventing binding and ensuring the ultra-smooth feel is maintained even under the highest power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eMeet the BCR5 Range: Meticulously Engineered Fitments\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eWe understand that modern frame standards are complex. The BCR5 range offers application-specific fitments to provide a perfect, quiet interface between your frame and crankset.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003e1. BCR5 BSA Threaded (68\/73mm Shell)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"8\"\u003eThe foundation of reliability, reimagined for performance.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003eThe BSA standard remains the choice for many for its simplicity and threaded security. Our BSA BCR5 translates this reliable standard into a performance powerhouse. The precisely machined golden cups feature our low-friction Si3N4 ceramic system, housed within ABEC 5 tool steel races. This fitment is optimized for all standard 68mm (road) and 73mm (MTB) English-threaded shells. The specialized dual-lip seals ensure a contamination-free environment while achieving a near-zero drag coefficient.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eKey Fitment Details:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eFrame Standard:\u003c\/b\u003e BSA Threaded (English)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eShell Width:\u003c\/b\u003e 68mm (Road) \/ 73mm (MTB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Ideal for Shimano Hollowtech II, SRAM GXP (with included step-down spacers), and other standard external-bearing cranksets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003e2. BCR5 T47 Internal\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eSeamless integration, oversized performance.\u003c\/p\u003e\n\u003cp data-path-to-node=\"14\"\u003eT47 Internal is the future of threaded standards, combining the oversized interface of PressFit systems with the secure thread-in design. The BCR5 T47 Internal places the oversized ceramic bearing cups completely inside the frame shell, creating a flush, clean interface. This maximizes spindle support and stiffness, providing an ultra-stable platform for maximum power transfer. Utilizing our Grade 5 Si3N4 ceramic system and ABEC 5 races, this BB is the ultimate solution for stiff, high-power road frames that prioritize internal bearing placement.\u003c\/p\u003e\n\u003cp data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eKey Fitment Details:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003eFrame Standard:\u003c\/b\u003e T47 Threaded\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003e\u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"0\"\u003eShell Width:\u003c\/b\u003e Optimized for standard road shell widths (e.g., 68mm, 86mm, 92mm depending on internal spacing).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003e\u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Designed for high-stiffness crank systems with standard oversized spindles (e.g., SRAM DUB, Rotor, Cane Creek).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003e3. BCR5 T47 External\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"18\"\u003eExtended stiffness, effortless speed.\u003c\/p\u003e\n\u003cp data-path-to-node=\"19\"\u003eFor frames utilizing the T47 standard but requiring the wider stance of external bearings, the BCR5 T47 External is the precise solution. By positioning the oversized ceramic cups outside the frame shell, this BB matches the performance benefits of a larger bearing to a wider stance, enhancing lateral stiffness and spindle stability. This system features our full ABEC 5 certified, Si3N4 ceramic technical data package and proprietary HDN synthetic grease, delivering unmatched smoothness and power transfer for demanding performance frames.\u003c\/p\u003e\n\u003cp data-path-to-node=\"20\"\u003e\u003cb data-path-to-node=\"20\" data-index-in-node=\"0\"\u003eKey Fitment Details:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"21\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,0,0\"\u003e\u003cb data-path-to-node=\"21,0,0\" data-index-in-node=\"0\"\u003eFrame Standard:\u003c\/b\u003e T47 Threaded\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,1,0\"\u003e\u003cb data-path-to-node=\"21,1,0\" data-index-in-node=\"0\"\u003eShell Width:\u003c\/b\u003e Optimized for standard road and gravel widths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,2,0\"\u003e\u003cb data-path-to-node=\"21,2,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Designed for compatibility with oversized spindle cranksets (e.g., Shimano Hollowtech II, SRAM DUB) requiring an external wide-stance BB.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"22\"\u003e\n\u003ch3 data-path-to-node=\"23\"\u003e\u003cb data-path-to-node=\"23\" data-index-in-node=\"0\"\u003eFriction is the Enemy. Bala is the Cure.\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"24\"\u003eWhile many treat the bottom bracket as an afterthought, we understand it's the heart of your drivetrain. The BCR5 range isn't just about spinning your cranks; it's about validating every watt you put down. Don’t let drivetrain drag dictate your results. Upgrade to Bala Ceramica and experience the friction-free revolution.\u003c\/p\u003e","brand":"Balaceramica.com","offers":[{"title":"Default Title","offer_id":50975623086313,"sku":null,"price":599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/9262\/6153\/files\/rn-image_picker_lib_temp_d68e22d1-fb50-4447-9eea-818f1515cc3a.png?v=1778081290","url":"https:\/\/bala-ceramica.com\/products\/bcr5-ultra-performance-bottom-bracket","provider":"BALA CERAMICA","version":"1.0","type":"link"}