Upgrade your e-bike's hub motor assembly with this comprehensive axle set. Featuring a precision-engineered M12 front lock nut, lock washer, and nut cover designed specifically for 12mm shaft hubs, this kit provides everything needed for secure wheel installation. The robust construction ensures reliable performance while maintaining proper tension on your e-bike's hub motor. Perfect for maintenance, repairs, or upgrades, these wheel accessories are machined to exact specifications for a precise fit. The lock washer helps prevent loosening during rides, while the nut cover adds a clean, finished look to your wheel assembly. Compatible with standard 12mm shaft hub motors, this set makes installation and maintenance straightforward for both DIY enthusiasts and professional mechanics.