{"product_id":"box-two-external-sealed-30mm-bottom-bracket","title":"Box Two External Sealed 30mm Bottom Bracket","description":"\u003ch1\u003eBox Two External Sealed 30mm Bottom Bracket\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Box Two External Sealed 30mm Bottom Bracket is a sealed cartridge system designed specifically for Box One M30-M and Box Two M30-P cranks. Built from 6061-T6 aluminum with sealed bearings, it resists contamination and extends service life in varied riding conditions. The 30mm axle diameter provides the stiffness required for responsive pedaling feel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal sealed cartridge design\u003c\/strong\u003e — Bearing cartridge sits outside the shell, protecting internals from dirt, mud, and water while allowing straightforward bearing replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed bearings\u003c\/strong\u003e — Reduces maintenance intervals and prevents premature wear from moisture and abrasives\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6061-T6 aluminum construction\u003c\/strong\u003e — Offers a balance of weight and durability with proven resistance to repeated impacts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30mm axle diameter\u003c\/strong\u003e — Larger diameter increases lateral stiffness compared to smaller axles, reducing flex under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBSA threading\u003c\/strong\u003e — Standard 1.37\" x 24 TPI thread pattern ensures compatibility with most BMX frames\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: 110 grams (3.9 ounces)\u003c\/li\u003e\n\u003cli\u003eMaterial: 6061-T6 aluminum\u003c\/li\u003e\n\u003cli\u003eShell width: 68mm\u003c\/li\u003e\n\u003cli\u003eThread standard: 1.37\" x 24 TPI (BSA)\u003c\/li\u003e\n\u003cli\u003eAxle diameter: 30mm\u003c\/li\u003e\n\u003cli\u003eBearing type: Sealed cartridge\u003c\/li\u003e\n\u003cli\u003eCrank compatibility: Box One M30-M and Box Two M30-P only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility and Ideal Use Cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis bottom bracket is exclusive to Box One M30-M and Box Two M30-P cranksets and will not work with other manufacturers' cranks. Ideal for riders upgrading from worn original hardware or building a complete drivetrain with Box components. Recommended for street, park, and racing applications where sealed protection against weather and dirt is valuable.\u003c\/p\u003e \u003cdiv\u003e\u003cp.\u003e\u003ci\u003e\u003cu\u003e\u003cfont size=\"2\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/p.\u003e\u003c\/div\u003e\u003cdiv style=\"\"\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cfont size=\"3\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e\u003cdiv style=\"\"\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cfont size=\"3\"\u003e\u003cb\u003e**Due to unique nature of this item, ALL sales of this product are FINAL. No Refunds or Returns**\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e","brand":"BOX COMPONENTS","offers":[{"title":"Black","offer_id":45392256303283,"sku":"BX-BB1730BX1-BK-Black","price":64.99,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":45392256336051,"sku":"BX-BB1730BX1-BK-Blue","price":64.99,"currency_code":"USD","in_stock":false},{"title":"Red","offer_id":45392256368819,"sku":"BX-BB1730BX1-BK-Red","price":64.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8737\/2979\/files\/box-two-external-sealed-30mm-bottom-bracket.jpg?v=1782674999","url":"https:\/\/time2shinebmx.com\/products\/box-two-external-sealed-30mm-bottom-bracket","provider":"Time 2 Shine ","version":"1.0","type":"link"}