{"product_id":"promax-ex-1-alloy-external-sealed-bottom-bracket-68-73mm-black","title":"Promax EX-1 Alloy external Sealed Bottom Bracket 68\/73mm Black","description":"EX-1 External bottom brackets feature cold-forged and CNC-machined alloy cups dual-labyrinth bearing covers and precision sealed bearings. They are the perfect match to Promax CF-2 and HF-2 cranks and ultimate upgrade to the budget BBs sold with most crank sets.\u003cli\u003eFits all 24-millimeter bottom bracket spindles and frames with 68 or 73 x BC1.37” bottom bracket shells\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Bracket Shell I.D.\u003c\/td\u003e\n\u003ctd\u003e1.37\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBB\/Frame Interface\u003c\/td\u003e\n\u003ctd\u003eEnglish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBB Shell Width (mm)\u003c\/td\u003e\n\u003ctd\u003e73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e102.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle Interface Type\u003c\/td\u003e\n\u003ctd\u003eRaceFace EXI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefined Color\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":52273969856795,"sku":"CR3550","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4203\/8043\/files\/35a5dd6557aa66d6f9405eca07b0230709c003f3.jpg?v=1780113733","url":"https:\/\/bouldernordic.com\/products\/promax-ex-1-alloy-external-sealed-bottom-bracket-68-73mm-black","provider":"Boulder Nordic \u0026 Cycle Sport","version":"1.0","type":"link"}