The Box EB 2401 is one of the most popular and versatile bottom brackets in the Box lineup, designed to fit cranksets using standard 24mm spindle axles. Built for BSA/Euro threaded bottom bracket shells, the EB 2401 combines lightweight alloy cups with durable sealed cartridge bearings to deliver smooth performance and long service life at an affordable price. Specifications: Bottom Bracket Standard: BSA / Euro Threaded Spindle Compatibility: 24mm axle cranksets Cup Material: Alloy Bearings: Sealed cartridge bearings Features: Compatible with all standard 24mm spindle cranksets Designed for BSA / Euro threaded frames Lightweight alloy cup construction Durable sealed cartridge bearings Smooth and reliable bearing performance Excellent value and long service life Compatibility: Box cranksets with 24mm axles Shimano Hollowtech II style cranksets Other compatible 24mm spindle crank systems