Bottom bracket shells - ISO threaded - 69mm, 74mm, 101mm - 38.1mm OD

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sku # BBS-FS-69, BBS-FS-74, BBS-FS-101

Made from 4130 steel, these lightweight 38.1mm (outer diameter) ISO bicycle bottom bracket shells are available in 69mm, 74mm, and 101mm, with the extra 1mm of width ensuring sufficient material for facing both sides.

Right and left threaded (ISO) 1.370" x 24tpi.

69mm - 118g

74mm - 128g

101mm - 178g

Weights are based on representative samples. Actual weights may vary slightly. Imported.