YQ-Chinatransmission Sprocket, Chain,Coupling,Pulley,Bearing...
Gear
The gears used in life are: cars, clocks, elevators, mechanical watches, automobiles, variable speed bicycles, noodle machines, juicers, food processors, egg beaters, water meters, gas meters, sewing machines, CD machines, wine drives Bottle ware, clocks, automobile gearboxes, swing heads of electric fans, washing machines, alarm clocks, etc. On the rim, there are mechanical elements that continuously mesh with gears to transmit movement and power.