{"product_id":"shimano-es51-octalink-v2-bottom-bracket","title":"Shimano ES51 Octalink V2 Bottom Bracket","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eShimano ES51 Octalink V2 Bottom Bracket\u003c\/strong\u003e is a threaded cartridge unit built for compatibility with Shimano's Octalink V2 splined cranksets. It uses a sealed cartridge bearing design to keep drivetrain friction low and maintenance intervals long — a reliable foundation for everyday riding and training builds.\u003c\/p\u003e\n\n\u003cp\u003eShimano's ES51 sits in the mid-range of their bottom bracket lineup, offering the same thread-in installation standard that mechanics and home builders trust for consistent, rattle-free fitment. The 68 x 118mm shell and axle dimensions make it a direct fit for standard BSA-threaded road and fitness frames running Octalink V2-compatible cranks.\u003c\/p\u003e\n\n\u003ch3\u003eShimano ES51 Octalink V2 Bottom Bracket Specs at a Glance\u003c\/h3\u003e\n\u003cul class=\"specs_at_a_glance\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShell width:\u003c\/strong\u003e 68mm (BSA threaded)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAxle length:\u003c\/strong\u003e 118mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e Octalink V2 spline\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Sealed cartridge bearing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Shimano\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"No Color \/ 68 x 118mm","offer_id":43520113049644,"sku":"EBBES51B18","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/shimano-es51-octalink-v2-bottom-bracket-5659937.jpg?v=1771297867","url":"https:\/\/ricycles.com\/products\/shimano-es51-octalink-v2-bottom-bracket","provider":"RA Cycles","version":"1.0","type":"link"}