{"product_id":"wolf-tooth-t47-external-bottom-bracket-t47-external-68-73mm-for-30mm-spindle-ultraviolet-purple","title":"Wolf Tooth T47 External Bottom Bracket - T47 External, 68\/73mm, For 30mm Spindle, Ultraviolet Purple","description":"Wolf Tooth T47 External Bottom Brackets are engineered for smooth, durable performance with custom bearings, seals, and bushings that eliminate creaking. Ground-up design features hardened chrome bearing steel with ZNA corrosion-resistant coating—proven equal to stainless steel in 500-hour saltwater testing.\n\nBest-in-class sealing combines spindle o-rings, bearing\/bushing gutter seals, low-contact bearing seals, shell o-rings, and labyrinth-style end caps for all-condition reliability. Custom bushings eliminate metal-on-metal contact, the leading cause of creaks, while optimizing bearing longevity and weatherproofing.\n\nFits 68mm–73mm T47 shells with adjustable-width internal sleeve. Includes spacer kit: (2) 2.5mm shell spacers, (2) 0.5mm spindle spacers, (2) 1mm spindle spacers, and individual 2mm, 3mm, and 5mm spindle spacers for precise fit.\n\nDesigned, engineered, machined, and assembled in-house at Wolf Tooth HQ in Minnesota, USA. Installation requires a standard spline 46-12 bottom bracket tool (sold separately).","brand":"Quality Bicycle Products - QBP","offers":[{"title":"Default Title","offer_id":52914003673397,"sku":null,"price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/0391\/5061\/files\/CR4187.jpg?v=1781040170","url":"https:\/\/merchantcycles.com\/products\/wolf-tooth-t47-external-bottom-bracket-t47-external-68-73mm-for-30mm-spindle-ultraviolet-purple","provider":"Merchant Cycles","version":"1.0","type":"link"}