BOTTOM BRACKETS > T47 INTERNAL BB

Rotation Engineering’s internal T47 version bottom brackets are made right here in Connecticut out of U.S.-sourced 7075-T6 aluminum. Small but necessary refinements set our products apart from our competition.

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Close-up of a black cylindrical mechanical part, labeled "Rotation Engineering." It has threaded ends, a smooth surface, and exudes a sleek, industrial look.Close-up of a black cylindrical mechanical part, labeled "Rotation Engineering." It has threaded ends, a smooth surface, and exudes a sleek, industrial look.
T47 Internal Bottom Bracket Sale priceFrom $299.00