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