Bicycle BB Bottom Bracket Axle Sealed 68x122mm

– Sealed bottom bracket cartridge with bearings that fits 68mm bottom bracket shell – Square taper bottom bracket – Matte black finish. – Integrated sleeve and inside bearing to make sure the bearings rotate stably – Waterproof and dustproof bearing and bearing shield design helps prevent the erosion of sediment water. – Size: 68 x 122mm – Cups thread diameter: 34.5mm /1.36″.