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  • English thread bottom bracket

    If you have English (ISO or B.S.A.) thread b/b the outer cup diameter will be 34.6-34.9mm and inner diameter will be 33.6-33.9mm. Shell width will be 68mm or 73mm. It will also have a left hand thread on the drive side.

    If you have Italian thread b/b the outer cup diameter will be 35.6-35.9mm and the inner diameter will be 34.6-34.9mm. She'l width will be 70mm. It will also have right hand thread on both sides.

    left wondering what cranksets work with an Eng thread BB..

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