Lews Custom Speed SP 6.2:1The Lew's Custom Speed Spin is built around a strong aluminum body and side plate, high strength and lightweight C60Carbon skeletal speed rotor and comes with high strength Speed Gears cut on precision Hamai CNC gear hobbing machines. The Custom Speed Spin features a flush and drain port (200, 300, 400 models) for easily application of spray lubricant. 10 Bearing System Zero Reverse one way clutch bearing Aluminum frame Aluminum sideplate Double