Features: Engineered with high strength alloy, this electric scooters motor lock nut ensures secure fastening and prevents loosening during high speed rides, for long commutes. Featuring quickly installation design, it offer seamlessly compatibility with scooters, enabling effortless replacement in seconds. Designed for commuters, students, and frequent riders who prioritize reliability and time saving maintenance for their daily transportation needs. Performs exceptionally in wet environments or crowded city streets, maintaining structural integrity during rainy weather or rough pavement conditions. The corrosions resistant aluminum construction combines light weight durability with extended service life, reducing wear and tear for portables scooter storage on stairs or public transit. Specifications: Dimension: 2.3cm/0.9in 2.4cm/0.94in Component:Aluminum Alloys Package Includes: 1Set Electric scooter motor lock nut note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.