The MORTOP Bottom Brackets guarantee you the lowest friction, optimised power transfer, and longest product lifetime, helping you to save watts or ride faster. The combined with the smoothness of the balls results in virtually no wear on the bearing.
-ID Diameter:30mm reduce to 24mm.
For Shimano System.
Model Code:BB38624S1 Cartridge bearing
Model Code:BB38624C1 Ceramic bearing
For SRAM System.
Model Code:BB38624S2 Cartridge bearing
Model Code:BB38624C2 Ceramic bearing