Hope Pressfit 41 Bottom Bracket High Quality The Hope Press-Fit Bottom Brackets feature high-quality sealed cartridge bearings, providing a solution to the press-fit bottom bracket minefield. Available to fit 24mm and 30mm crank axles and to fit a wide range of BB shell widths/standards. Features Cups pressed in and held in place by a screw-in center tube to prevent slipping and play Stainless steel cartridge bearings for ultimate durability Weight: starting at 112g | Hope Technology | Pressfit 41 Bottom Bracket Bottom Bracket Stainless Pf41 86-30Mm Black