{"product_id":"wolf-tooth-bottom-bracket-btbk1428-bicycle-bottom-brackets","title":"Wolf Tooth T47 Internal Bottom Bracket for 24mm Shimano, 29mm DUB, \u0026 30mm Spindles | Durable, Lightweight, Corrosion-Resistant Engineering","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your bike's performance with the Wolf Tooth T47 Internal Bottom Bracket 24mm Espresso - the ultimate choice for durability, efficiency, and sleek styling. Crafted from high-quality 6061-T6 aluminum and reinforced with precision-machined components, this bottom bracket is designed to optimize power transfer and extend component lifespan.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering Excellence\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eBuilt with custom-designed bearings featuring AISI 52100 chrome bearing steel balls and races, hardened to Rc 61-66 for superior durability and low spinning resistance. The race surfaces are coated with ACOSUR ZNA, ensuring outstanding corrosion resistance comparable to or better than stainless steel, even after 500 hours of saltwater testing. The bottom bracket's seals and bushings combine to prevent creaking, minimize drag, and resist water, mud, and debris intrusion - delivering smooth, reliable performance in all weather conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eComponent Compatibility \u0026amp; Adjustability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eDesigned to fit 85.5mm to 92mm internal shell widths, the Wolf Tooth T47 Bottom Bracket seamlessly integrates with 24mm, 29mm DUB, and 30mm spindle cranksets for broad compatibility across a variety of bike setups. The adjustable-width sleeve allows for precise installation, ensuring optimal bearing preload and alignment. Spacers for 24mm, 29mm, and 30mm spindles are included, simplifying setup and maintenance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003ePerformance \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eFeaturing a user-serviceable design, this bottom bracket is easy to install and remove with a standard 52-16 spline tool. The custom polymer spindle bushings eliminate creaking, while streamlined seals and metal contact points reduce noise and drag. Combined with lightweight construction (from 91g to 103g depending on spindle diameter), it offers excellent power transfer without adding unnecessary weight.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eAvailable in the sleek Espresso color, this bottom bracket not only performs at the highest level but also enhances your bike's aesthetic. It's ideal for mountain biking, gravel riding, and high-performance cycling where durability, weather resistance, and smooth pedaling are critical.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative Features \u0026amp; Warranty\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eWolf Tooth's internal design balances best-in-class weather sealing with optimized radial bearing compression and preload for an ultra-efficient ride. The bottom bracket is assembled, machined, and tested in the USA with a lifetime warranty on the bearings, providing confidence and peace of mind for every ride.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003eComplete Package\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003eEach purchase includes necessary spacers and components for a straightforward installation. For repair or replacement, Wolf Tooth offers comprehensive service guides and compatible parts through their Right to Repair program.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003eElevate your ride with the Wolf Tooth T47 Internal Bottom Bracket 24mm Espresso - where engineering precision meets riding excellence.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003ePremium Materials: Crafted from durable 6061-T6 aluminum with high-grade AISI 52100 chrome steel bearings, ensuring long-lasting performance and resistance to corrosion with ACOSUR ZNA coating. \u003c\/li\u003e\n\u003cli\u003eAdvanced Engineering \u0026amp; Performance: Designed for ultra-smooth pedaling with optimized bearing radial compression, precise alignment, and preload, reducing drag and eliminating creaking for reliable ride quality in any conditions. \u003c\/li\u003e\n\u003cli\u003eInnovative Components \u0026amp; Technology: Features custom bearings, seals, bushings, and a user-serviceable design, paired with weather-sealed construction and polymer bushings for minimal maintenance and enhanced durability. \u003c\/li\u003e\n\u003cli\u003eVersatile Compatibility \u0026amp; Style: Compatible with 24mm, 29mm DUB, and 30mm spindle cranksets, accommodating 85.5mm to 92mm T47 bottom brackets, available in multiple colors to match your bike's aesthetic. \u003c\/li\u003e\n\u003cli\u003eMade in the USA with Lifetime Warranty: Engineered and assembled at Wolf Tooth HQ in Minnesota, offering peace of mind with a lifetime warranty on bearings, and easy installation using standard bottom bracket tools.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":42875967930435,"sku":"BTBK1428","price":158.35,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/WBB-T47I-24-ESP.jpg?v=1773850480","url":"https:\/\/365cycles.com\/products\/wolf-tooth-bottom-bracket-btbk1428-bicycle-bottom-brackets","provider":"365 Cycles","version":"1.0","type":"link"}