{"product_id":"wolf-tooth-alsl-52100-custom-86-mm-raceface-easton-cinch-bottom-bracket-btbk1274-bicycle-bottom-brackets","title":"Wolf Tooth Ultraviolet Purple BSA Bottom Bracket | 68 - 73mm, 30mm Spindle, Custom Alloy \u0026 Chrome Bearings, Weather-Sealed, User-Serviceable, USA-Made","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eExperience Unmatched Performance with the Wolf Tooth Bottom Bracket - English (BSA), 68\/73mm, 30mm Spindle in Ultraviolet Purple\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eOptimize your mountain, gravel, or commuter bike with the Wolf Tooth Bottom Bracket, engineered for durability, smooth pedaling, and superior weather resistance. Crafted from premium materials and designed for precise compatibility with 30mm spindle cranksets, this bottom bracket ensures an elevated riding experience in all conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMaterials \u0026amp; Construction\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eBuilt with 6061-T6 Aluminum and high-grade components, including AISI 52100 chrome bearing steel balls and races hardened to Rc 61-66, the Wolf Tooth BSA bottom bracket offers exceptional strength and longevity. Its corrosion-resistant ZNA coating on the race surface provides superior resistance to saltwater, mud, and trail debris, tested to withstand over 500 hours of saltwater exposure. The ground-up design integrates custom bearings, seals, bushings, and cups, all machined in the USA, delivering reliable performance and easy maintenance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eEngineered for low drag and efficient power transfer, this bottom bracket features a precisely balanced radial compression, optimized bearing preload, and best-in-class weather sealing technology. The custom polymer spindle bushings eliminate creaking, while the hardened chrome steel bearings reduce friction and noise, resulting in smooth, silent pedaling. Its adjustable-width sleeve accommodates 68mm to 73mm BSA shell widths, ensuring a perfect fit on your frame.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eComponents \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003e- Custom-designed chrome bearing steel balls and races for durability and reduced spinning resistance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003e- Advanced sealing system protects against water, mud, and trail debris\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- Polymer spindle bushings for creak-free performance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Compatibility with 24mm Shimano, 29mm DUB, and 30mm spindle cranksets\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Easy installation and removal with standard spline tools (44-16 for 24mm, 46-12 for 29mm DUB and 30mm)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003eAvailable in striking Ultraviolet Purple, this bottom bracket adds a vibrant accent to your bike while providing high-performance upgrades suitable for mountain biking, gravel adventures, or daily commuting. Its lightweight design (approx. 82-87g depending on size) ensures minimal weight addition without compromising strength or weather resistance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Best-in-class weather sealing with corrosion-resistant coatings\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003e- Custom polymer bushings prevent creaking and extend crankset lifespan\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-18\"\u003e\u003cp\u003e- Adjustable-width shell ensures compatibility across a range of BSA frames\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-19\"\u003e\u003cp\u003e- Lifetime warranty on bearings, reflecting Wolf Tooth's commitment to quality and customer satisfaction\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-20\"\u003e\u003cp\u003e- Made in the USA, supporting local manufacturing and innovation\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-21\"\u003e\u003cp\u003eSpecifications\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-22\"\u003e\u003cp\u003e- Shell I.D.: 33.6mm x 24 TPI\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-23\"\u003e\u003cp\u003e- Shell Widths: 68mm, 73mm (additional sizes available)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-24\"\u003e\u003cp\u003e- Weight: 82g (excluding spacers)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-25\"\u003e\u003cp\u003e- Colors: Ultraviolet Purple\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-26\"\u003e\u003cp\u003e- Compatibility: 68\/73\/83\/100mm BSA shells\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-27\"\u003e\u003cp\u003e- Spindle options: 30mm for universal fit\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-28\"\u003e\u003cp\u003eUpgrade your bike with the Wolf Tooth Bottom Bracket - a perfect blend of engineering excellence, innovative features, and vibrant style to elevate your cycling performance and reliability.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003e- Crafted from high-quality 6061-T6 aluminum and AISI 52100 chrome bearing steel, ensuring exceptional durability, lightweight performance, and corrosion resistance for long-lasting cycling dependability. \u003c\/li\u003e\n\u003cli\u003e- Advanced engineering features custom bearings, seals, bushings, and cups that eliminate creaking, reduce friction, and provide best-in-class weather sealing against water, mud, and trail debris for optimal riding in all conditions.\u003c\/li\u003e\n\u003cli\u003e- Compatible with 30mm spindle cranksets and adjustable-width shells fitting 68mm to 73mm BSA bottom bracket shells, offering versatile fitment for a wide range of mountain, gravel, and commuter bikes.\u003c\/li\u003e\n\u003cli\u003e- Revolutionary sealing technology paired with high radial compression and preload optimization minimizes drag and noise, delivering smooth pedaling performance and enhanced efficiency on every ride.\u003c\/li\u003e\n\u003cli\u003e- Proudly designed, machined, and assembled in the USA with easy installation using standard spline tools; includes comprehensive spacers and lifetime warranty, making it the reliable choice for serious cyclists.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":42328062263363,"sku":"BTBK1274","price":129.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CR4672.jpg?v=1779347698","url":"https:\/\/365cycles.com\/products\/wolf-tooth-alsl-52100-custom-86-mm-raceface-easton-cinch-bottom-bracket-btbk1274-bicycle-bottom-brackets","provider":"365 Cycles","version":"1.0","type":"link"}