The Chris King Bottom Bracket External Cup Tool is anodized aluminum and features a 3/8" socket drive.
A high-quality torque wrench is recommended for installation. The spline interface on the reverse side perfectly matches the Chris King Bottom Bracket cups to ensure a secure fit during installation while preventing damage to the finish of the bracket.
For use with Chris King Threadfit 30 and T47 30x and 24x Bottom Brackets.
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