The quality and reliability of an M6 waterproof connector largely depend on its electrical performance metrics. Within the precision engineering of these connectors, we find that the insulation resistance should ideally be at least 100 MΩ to ensure protection against external electrical interference. This attribute is particularly valuable for applications involving sensors in e-bikes where consistent performance is vital for safety and function. Contact resistance is another key parameter, which in the case of these connectors, should ideally be no more than 5 mΩ. Low contact resistance indicates excellent electrical conductivity and minimal power loss, which is essential for the precision required in e-bike sensor systems. The brass contacts, accentuated with gold plating, further optimize conductivity while resisting corrosion. This blend of materials and engineering guarantees that performance specs are met, thereby enhancing the reliability of the e-bike small M6 connector in various environmental conditions. The promise of stable performance reinforces cyclists' confidence in their rides, making each journey a little bit smoother and more secure.