BSA 68-73mm English for 24mm Spindle Crank,Compatible with Shimano Crankset.
Material - Thinvik BSA Bottom Bracket characterize cold-forged and CNC-machined aluminum alloy cups, dual-labyrinth bearing covers and precision sealed bearings.
Compatibility - Designed for road bike and MTB, they are perfect match 24mm crank spindle.(Not for Sram GXP 22mm,Dub 28.99mm, FSA and other brand 30mm spindle crank)
Shell width - Fit frames with 68/73mm bottom bracket shells
