Material: 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
Thread: BC1.37-inch*24T L/R Threaded Connection design enhance lateral stability to avoid creaking sound.

Package include: 1 x Bottom Bracket.