{"product_id":"shimano-bb-un300-square-type-bottom-brackets","title":"Shimano BB-UN300 Square Type Bottom Brackets","description":"\u003cp\u003eShimano is the world's leading manufacturer of bicycle components, renowned for precise engineering and reliable performance across all cycling disciplines.\u003c\/p\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eShimano BB-UN300 Square Type Bottom Brackets\u003c\/strong\u003e provides smooth, drag-free pedalling through precision sealed cartridge bearings. The bottom bracket is one of the most overlooked but highest-impact upgrades on a bicycle — worn or poorly fitted bearings rob significant power and cause creaking that's difficult to diagnose.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eShimano BB-UN300 Square Type Bottom Brackets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eShell Standard Guide\u003c\/h2\u003e\n\u003cp\u003eIdentifying your frame's BB shell is critical before ordering:\u003cbr\u003e\n\u003cstrong\u003eBSA\/English thread (68\/73mm)\u003c\/strong\u003e — most common; left (NDS) is reverse thread\u003cbr\u003e\n\u003cstrong\u003eItalian thread (70mm)\u003c\/strong\u003e — both sides normal thread\u003cbr\u003e\n\u003cstrong\u003ePF30 (68×46mm bore)\u003c\/strong\u003e — press-fit, 30mm spindle\u003cbr\u003e\n\u003cstrong\u003eBB86\/BB92 (86\/92mm)\u003c\/strong\u003e — press-fit, common on Shimano-oriented bikes\u003cbr\u003e\n\u003cstrong\u003eT47 (threaded 47mm bore)\u003c\/strong\u003e — emerging standard combining press-fit shell size with threaded installation\u003c\/p\u003e\n\n\u003csection itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n    \u003ch3 itemprop=\"name\"\u003eWhere can I buy a bottom bracket online in India?\u003c\/h3\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\"\u003eBuy SHIMANO and other quality bottom brackets at Ciclo Essentials. We stock threaded (BSA, Italian) and press-fit (PF30, BB86, T47) bottom brackets for all frame standards.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n    \u003ch3 itemprop=\"name\"\u003eHow do I know which bottom bracket my bike uses?\u003c\/h3\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\"\u003eIdentify your frame's BB shell standard: BSA\/English thread (68\/73mm, most common), Italian thread (70mm), PF30 (press-fit, 46mm bore), BB86\/92 (press-fit, 41mm bore), T47 (threaded 47mm bore). Check your frame manufacturer's documentation.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n    \u003ch3 itemprop=\"name\"\u003eWhat is the price of Shimano BB-UN300 Square Type Bottom Brackets in India?\u003c\/h3\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\"\u003eThe Shimano BB-UN300 Square Type Bottom Brackets is priced at at ₹990 at Ciclo Essentials.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n    \u003ch3 itemprop=\"name\"\u003eMy bottom bracket is creaking — should I replace it?\u003c\/h3\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\"\u003eCreaking from the bottom bracket area is often caused by a dry or worn BB. First try removing it, cleaning the threads\/shell, applying anti-seize (threaded) or carbon assembly paste (press-fit), and reinstalling. If the creak persists, replace the BB.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":51608992710938,"sku":"EBBUN300B22X","price":990.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/3598\/6970\/files\/ciclo_44471272374554.jpg?v=1777545899","url":"https:\/\/cicloessentials.com\/products\/shimano-bb-un300-square-type-bottom-brackets","provider":"Ciclo Essentials","version":"1.0","type":"link"}