- 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".