initial gear drive flange CNC-machined from tough Swiss 7075 T6 aluminum Includes factory-pressed (non-replaceable) top-quality German one-way bearing, hand-ground for optimum running accuracy and power. The one-way bearing must be often serviced, washed, and oiled (we recommend using # 106231 HUDY One-way Lube). Built to be properly used with brand new little 2 price.