Wheels Manufacturing PF30A 30mmThe two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. Specifically designed for installing 30mm spindle cranks in Cannondale PF30A (46mm ID, 73mm wide asymmetrical BB shell) frames. Attributes BB Bearing ABEC 3 BB Shell Type PF30A Crank Spindle Diameter 28 30mm Cup Diameter 46mm Interface 30mm Primary Color Black
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