The FSA Premium Bottom Brackets are meticulously designed to meet the demanding needs of today's riders. Precision CNC products and high-quality bearings are the key points of the brand new Premium Series, developed to reach better customer service and the highest level of performance. Mega Exo 24mm Compatible with pinch bolt Road cranksets. Includes oversize cartridge bearings. Anodized cups. High-quality bearings for minimum friction and maximum durability. Precision CNC manufacturing. Item Specifications: Bottom Bracket Shell I.D.: 1.37, BB/Frame Interface: English, BB Shell Width (mm): 68, Weight: 94, Spindle Interface Type: FSA MegaExo, Defined Color: Black,