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″.