{"product_id":"bottom-bracket-bb-un300-73x123mm-for-english-shell-jis-square-taper","title":"Bottom Bracket BB-UN300 73x123mm for English Shell, JIS Square-Taper","description":"Fits JIS square-taper cranksets\nFeatures a hollow spindle for strength and reduced weight\nSpindle length measures 122.5mm for compatibility with specific frames\nFits English (BSA) bottom bracket shells with a 73mm shell width\nCrankarm fixing bolts are sold separately, allowing customization and replacement options\nBB-UN300 Square Spindle Bottom BracketsFits JIS square-taper cranksetsCrankarm fixing bolts sold separatelyHollow spindleItem SpecificationsBottom Bracket Shell I.D.1.37BB\/Frame InterfaceEnglishBB Shell Width (mm)73Spindle Interface TypeSquare Taper JISSpindle Length123Defined ColorBlack","brand":"SHIMANO","offers":[{"title":"Default Title","offer_id":68095184633987,"sku":"B08C739V2N","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/7045\/8755\/files\/61GCjKtt9jL._SX800.jpg?v=1793056944","url":"https:\/\/actonplex.com\/products\/bottom-bracket-bb-un300-73x123mm-for-english-shell-jis-square-taper","provider":"Actonplex","version":"1.0","type":"link"}