• This Tange Seiki BB30 Bottom Bracket Adapter is a precision-engineered solution designed to bridge the gap between high-performance modern frames and traditional crankset standards. Specifically crafted for 73mm shells with a 42mm internal diameter, this adapter allows you to run a standard threaded bottom bracket in a dedicated BB30 press-fit frame.

Features

• Precision Conversion: Seamlessly converts a BB30 press-fit shell into a standard BSA (English) threaded interface.

• Optimal Fit: Specifically designed for mountain bike or wider road frames featuring a 73mm shell width and a 42mm bore diameter.

• High-Grade Material: CNC-machined from lightweight, high-strength aluminum for maximum durability and a creak-free interface.

• Sleek Aesthetics: Finished in a premium Anodized Black to complement high-end frames and resist corrosion.

• Reliable Performance: Engineered by Tange Seiki, a brand synonymous with headset and bottom bracket longevity and precision.

Specifications