1. Change the motor with different diameter shaft.
2. Change belt pulleys at different speeds, reducing the need to purchase new motors or pulleys to maintain existing components and speed/power requirements.
3. Adapt larger wheel holes to smaller axles, work with air crankshafts, expand crank diameter to accommodate pulleys, gearboxes, etc.
4. Material: Iron
5. Size: 58x25mm
2. Change belt pulleys at different speeds, reducing the need to purchase new motors or pulleys to maintain existing components and speed/power requirements.
3. Adapt larger wheel holes to smaller axles, work with air crankshafts, expand crank diameter to accommodate pulleys, gearboxes, etc.
4. Material: Iron
5. Size: 58x25mm