While bottom bracket standards, driven by carbon fiber frame designs, have experienced a whirlwind of new sizes, the 68/73mm, English threaded bottom bracket continues to offer plenty of strength and reliability. The TruVativ PressFit 30 to BSA adapter lets you use those traditional cranks and bottom brackets in frames with Press Fit 30 shells.
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TruVativ PressFit 30 to BSA adapter
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