CNC-machined front one-way axle for #345001 Front One-Way, machined from Swiss 7075 T6, hardcoated for very long life. Includes factory-pressed top-quality German one-way bearings, hand-ground for optimum working accuracy and power. The one-way bearings is serviced, washed, and oiled usually (we suggest utilizing #106231 HUDY One-way Lube). One-way bearings aren't changeable.