{"product_id":"wolf-tooth-bottom-bracket-btbk1438-bicycle-bottom-brackets","title":"Wolf Tooth Gold BSA Bottom Bracket | Lightweight 6061-T6 Aluminum, Custom Bearings, Weather-Sealed, 24mm Spindle, USA-Made, Creak-Free Performance","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your mountain bike or gravel rig with the Wolf Tooth BSA Bottom Bracket 24mm in stunning Gold - engineered for exceptional performance, durability, and style. Designed explicitly for 24mm crank spindles, this high-performance bottom bracket combines innovative materials and advanced engineering to ensure smooth pedaling, reliable longevity, and easy maintenance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Construction:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from aerospace-grade 6061-T6 aluminum, the Wolf Tooth BSA Bottom Bracket features precision-machined components for perfect durability and lightweight performance. The bearings utilize high-grade AISI 52100 chrome bearing steel, hardened to Rc 61-66, with special ACOSUR ZNA coatings providing superior corrosion resistance comparable to stainless steel - tested over 500 hours in saltwater. The race surfaces are additionally treated for maximum longevity, ensuring your pedal efficiency remains optimal in the harshest conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eDesigned for low drag and maximum power transfer, this bottom bracket features custom-designed bearings with sealed systems that eliminate creaking and resist mud, water, and debris ingress. Its optimized radial compression, precise alignment, and preload settings reduce spins and noise for a smoother ride. The inclusion of polymer bushings further minimizes metal-on-metal contact, preventing creaks and enhancing overall pedaling efficiency.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Technology:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eThis internally adjustable bottom bracket fits shells from 68mm to 73mm widths, with optional spacers for wider shells (83mm and 100mm). Easy installation and removal are facilitated by standard spline tools (44-16 for 24mm, 46-12 for DUB and 30mm spindles). The package includes multiple spacers to ensure perfect fit and compatibility across various bikes and cranksets.\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\u003eBoasting a sleek gold finish, the Wolf Tooth BSA Bottom Bracket not only provides robust performance but also offers a pop of color to match your Wolf Tooth Color Shop components. Whether you're racing cross-country, tackling challenging mountain trails, or exploring gravel pathways, this bottom bracket delivers reliable power transfer and reduced maintenance for a wide range of cycling disciplines.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Custom bearings with hardened chrome steel balls and races for enhanced durability and performance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- ACOSUR ZNA coating provides superior corrosion resistance in saltwater and muddy conditions\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Weather-sealed design protects against water, mud, and debris, extending product lifespan\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- User-serviceable with readily available replacement parts and service guides\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Made in the USA at Wolf Tooth HQ, ensuring quality craftsmanship and support\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Lifetime warranty on bearings for peace of mind\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eUpgrade your drivetrain with confidence-choose the Wolf Tooth BSA Bottom Bracket 24mm Gold for unmatched durability, efficiency, and style on every ride. Compatible with popular cranksets and available in multiple sizes and custom colors to match your bike's aesthetic.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003ePremium 24mm BSA Bottom Bracket featuring lightweight 6061-T6 aluminum construction for optimal power transfer and reduced weight on mountain, gravel, and road bikes. \u003c\/li\u003e\n\u003cli\u003eEngineered with custom high-performance bearings and advanced seals, this bottom bracket offers superior corrosion resistance, creak-free operation, and long-lasting durability in all weather conditions thanks to ACOSUR ZNA coating technology. \u003c\/li\u003e\n\u003cli\u003eDesigned for maximum compatibility, it fits 68mm to 73mm shell widths with adjustable internal sleeves and is compatible with 24mm, 29mm DUB, and 30mm spindle cranks, making it versatile for various bike setups. \u003c\/li\u003e\n\u003cli\u003eInnovative sealed bearing system reduces drag and noise, ensuring smooth pedaling and enhanced efficiency across rugged terrains and long-distance rides, backed by a lifetime warranty on bearings. \u003c\/li\u003e\n\u003cli\u003eManufactured in the USA with precision machining, this bottom bracket includes all necessary spacers and tools for easy installation or maintenance, making it a reliable upgrade for serious cyclists seeking high-performance drivetrain components.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":42875967635523,"sku":"BTBK1438","price":129.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/WBB-BSA-24-GLD.jpg?v=1773419611","url":"https:\/\/365cycles.com\/products\/wolf-tooth-bottom-bracket-btbk1438-bicycle-bottom-brackets","provider":"365 Cycles","version":"1.0","type":"link"}