The Race Face Bottom Bracket PF30 is designed to fit 68/73mm shell sizes and accommodates 24mm ID cranksets, making it an ideal choice for various cycling disciplines including XC, Enduro, and Trail. With precision CNC machined aluminum alloy cups and external bearings, this bottom bracket offers enhanced stiffness and a wider stance for improved performance. The bearings are factory filled with high-quality Phil Wood grease, ensuring durability and smooth operation. Weighing only 106 grams, it combines lightweight construction with robust design, making it a reliable component for serious cyclists.