- Evo Max integrated bottom bracket with sealed bearings For use with Oversized spindles of 24mm diameter Lightweight alloy cups AL 7075-T6 * MCBB200 Thread 1,370 x 24F BSA 138g * MCBB202 Press Fit 68 x 42 116g * MCBB203 Press Fit 68 x 46 132g * MCBB204 Press Fit 86.5 x 41 96g * MCBB205 Press Fit 86.5 x 46 94g