CNC-machined front one-way axle for #345001 Front One-Way, machined from Swiss 7075 T6, hardcoated for long life. Includes factory-pressed top-notch German one-way bearings, hand-ground for maximum operating accuracy and energy. The one-way bearings should be serviced, washed, and oiled regularly (we suggest using #106231 HUDY One-way Lube). One-way bearings are not changeable.