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 maximum running accuracy and power. The one-way bearings must certanly be serviced, cleaned, and oiled regularly (we suggest using #106231 HUDY One-way Lube). One-way bearings are not changeable.