Features: Upgrade your ride with this light weight mountain bike hub quickly release, crafted from high strength aluminum alloys for 30% less weight than steel, enhancing agility and speed on roads. Featuring a simple 10 second installation mechanism, steel axles, and anti thefts lock systems, it ensures secure, wheel changes while resisting wear and oxidation for extended durability. Ideal for competitive cyclists, commuters, and adventure cyclists who prioritize security, convenience, and compatibility with most mountain/road bikes. Perfect for quick wheel during races, or long distances tours where reliability and thefts prevention are critical in harsh weather or terrains. Engineered with universals fit and corrosions resistant coating, this bicycles quickly release skewer delivers support for demanding rides, ensuring your wheels stay locked and ready for any challenge. Specifications: Dimension:155x19mm/6.1×0.75in 120×12mm/4.72×0.47in 86.5mm/3.41in Component:Aluminum alloys Package Includes: 1Set Bicycles Skewer Levers 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.