• Converts your BB30 mountain bike frame to work with the world’s best cranks – with no weight penalty to traditional thread-in BB cups.

• Press-fit bearing cups works like an external type headset.

• Precision CNC machined to accurately match BB30 press-fit diameters.

• Positions the bearings externally with exactly the same wide spacing as threaded external mountain BB’s.

• Uses new Race Face X-Type Team XC bearing technology.