{"product_id":"white-industries-external-bsa-bottom-brackets","title":"EXTERNAL BSA BOTTOM BRACKETS","description":"\u003cp\u003eWhite Industries 的 \u003cstrong\u003eEXTERNAL BSA STYLE BOTTOM BRACKETS \u003c\/strong\u003e產自美國，採用 Enduro 不銹鋼角接觸軸承，或選配 Enduro XD-15 陶瓷混合徑向軸承。我們提供三種不同尺寸的軸承，方便您將心儀的曲柄安裝到心儀的自行車上。\u003c\/p\u003e\n\u003cp\u003e「BSA」中軸殼和碗組以伯明罕小型武器公司命名，該公司製定了該系統使用的螺紋標準。它也被稱為“英式”或“英式”，是現代自行車上最常見的中軸系統類型。\u003c\/p\u003e\n\u003cp\u003e「外置」指的是軸承位於車架五通殼外側，而不是像某些 BSA 五通那樣隱藏在五通殼內。\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in USA\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecs.\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1.37” x 24 TPI 螺紋（“BSA”螺紋）\u003c\/li\u003e\n\u003cli\u003e適用於 68mm 或 73mm 寬的五通殼\u003c\/li\u003e\n\u003cli\u003eEnduro 不銹鋼角接觸軸承\n\u003cul\u003e\n\u003cli\u003e選配 Enduro XD15 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(35-50 Nm)\u003c\/li\u003e\n\u003cli\u003e工具：12 齒\/46mm\n\u003cul\u003e\n\u003cli\u003ePark BBT-79 至 BBT-79.3\u003c\/li\u003e\n\u003cli\u003eAbbey BSA30\u003c\/li\u003e\n\u003cli\u003eEnduro BBT-015\u003c\/li\u003e\n\u003cli\u003eRace Face Cinch 扳手\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e陽極處理，機刻徽標\u003c\/li\u003e\n\u003cli\u003e提供黑色、藍色、金色、粉紅色、紫色、銀色\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e設計用於螺紋式 BSA 68mm 或 73mm 寬五通碗組\u003c\/li\u003e\n\u003cli\u003e提供三種軸承尺寸，適用於：\n\u003cul\u003e\n\u003cli\u003e30mm White Industries MR30 系列曲柄以及其他品牌的 30mm 軸心曲柄\u003c\/li\u003e\n\u003cli\u003e29mm SRAM DUB 曲柄以及其他品牌的 29mm 軸心曲柄\u003c\/li\u003e\n\u003cli\u003e24mm Shimano HollowTech II 公路與山地曲柄以及其他品牌的 24mm 軸心曲柄\u003c\/li\u003e\n\u003cli\u003e不相容方錐形軸心\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e工具：12 槽\/46mm\n\u003cul\u003e\n\u003cli\u003ePark BBT-79 至 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