{"product_id":"shimano-bb-es300-bottom-bracket-for-octalink-chainsets-with-sealed-cartridge-bearings","title":"Shimano BB-ES300 Bottom Bracket for Octalink Chainsets with Sealed Cartridge Bearings","description":"\u003cp\u003eThe Shimano BB-ES300 Bottom Bracket is engineered for cyclists seeking enhanced performance and durability. Featuring a splined design compatible with Shimano Octalink chainsets, it ensures a secure and efficient connection between crank arms and spindle. The oversized 22 mm hollow cold-forged chrome-moly spindle offers superior strength and stiffness while reducing weight, improving your riding experience.\u003c\/p\u003e\n\n\u003cp\u003eThis bottom bracket incorporates a sealed cartridge assembly with oversized ball bearings, providing maintenance-free operation and protection against dirt, mud, and water. Its cartridge design simplifies installation, eliminating the need for adjustments and enabling a smooth, reliable transmission system on your bike.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding a robust, lightweight bottom bracket solution for Shimano Octalink chainsets\u003c\/li\u003e\n  \u003cli\u003eEnhancing crank rigidity for improved power transfer and efficiency\u003c\/li\u003e\n  \u003cli\u003eEnsuring long-lasting performance with sealed, maintenance-free cartridge bearings\u003c\/li\u003e\n  \u003cli\u003eEasy installation without the hassle of adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with non-Octalink cranksets or incompatible bottom bracket shells\u003c\/li\u003e\n  \u003cli\u003eRiders seeking square tapered spindle bottom brackets\u003c\/li\u003e\n  \u003cli\u003eApplications requiring user-serviceable bearing components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the Shimano BB-ES300 compatible with all cranksets?\u003c\/strong\u003e\u003cbr\u003eIt is specifically designed for Shimano Octalink chainsets and may not fit other crankset types.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this bottom bracket require regular maintenance?\u003c\/strong\u003e\u003cbr\u003eNo, the sealed cartridge with oversize ball bearings is maintenance-free, protecting against dirt and moisture for reliable performance.\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"73 - 121mm","offer_id":45478407733423,"sku":"BBES300C21","price":27.18,"currency_code":"GBP","in_stock":true},{"title":"68 - 113 E-type","offer_id":45478407766191,"sku":"BBES300EB13","price":27.18,"currency_code":"GBP","in_stock":false},{"title":"68 - 126mm","offer_id":45478407798959,"sku":"BBES300B26","price":27.18,"currency_code":"GBP","in_stock":true},{"title":"73 - 113mm","offer_id":45478407831727,"sku":"BBES300C13","price":27.18,"currency_code":"GBP","in_stock":true},{"title":"68 - 118mm","offer_id":45478407864495,"sku":"BBES300B18","price":27.18,"currency_code":"GBP","in_stock":true},{"title":"68 - 121mm","offer_id":45478407897263,"sku":"BBES300B21","price":27.18,"currency_code":"GBP","in_stock":false},{"title":"73 - 118mm","offer_id":45478407930031,"sku":"BBES300C18","price":27.18,"currency_code":"GBP","in_stock":true},{"title":"68 - 113mm","offer_id":45478407962799,"sku":"BBES300B13","price":27.18,"currency_code":"GBP","in_stock":true},{"title":"73 - 126mm","offer_id":45478407995567,"sku":"BBES300C26","price":27.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1650023396-89609400.jpg?v=1768521716","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-bb-es300-bottom-bracket-for-octalink-chainsets-with-sealed-cartridge-bearings","provider":"Swinnerton Cycles","version":"1.0","type":"link"}