Compatibility: This fast-release axle set is designed for mountain bikes with front axles measuring 100 mm and rear axles at 135 mm. It fits Fish pre-axles of 120 mm in the front and 150 mm in the rear, making it versatile for various bike models. Lightweight and Easy to Use: Each set weighs just 85 g (0.2 lbs), providing a lightweight solution without compromising functionality. The user-friendly design ensures effortless wheel removal and attachment, with no tools required. Durable Construction: Made from high-quality aluminum alloy and iron, this axle set boasts a robust build that withstands wear and tear. The electrocapped surface treatment enhances corrosion resistance, ensuring long-lasting performance. Key Features: - Fast-release mechanism for quick wheel changes. - Correctly sized dialing arm prevents disruption to your ride. - Ideal for swift repairs during mountain biking adventures or training sessions. Practical Applications: - Quickly replace a wheel on challenging trails when time is of the essence. - Use for easy maintenance or tune-ups at home without the need for specialized tools. - Perfect for cyclists who frequently switch between different bikes or wheelsets. Choose this fast-release axle set for a reliable, convenient, and durable solution to your mountain biking needs.