- Precise Fit : The crankset cover features a diagonal hole measuring 15.5 cm and an adjacent hole of 11 cm, ensuring an exact fit for optimal performance and user experience. - Lightweight and Classic Design : Its minimalist design is not only stylish but also lightweight, making it a perfect addition to your bike without adding unnecessary weight. - Compatibility : This chain guard is specifically designed for Mongoose bikes, compatible with models like M430, M590, and M390, and suitable for a 44T chain wheel. - Installation Notes : Before purchasing, confirm that your crank set’s dimensions match this cover. Ensure that your crank ring has 4 screw holes. The provided screws are the ideal length; modifications may hinder gear shifting performance. - Protection and Cleanliness : This guard protects your crank ring from damage while also preventing dirt from soiling your clothing during rides. - Use Scenarios : 1. Ideal for daily commuters looking for a reliable way to keep their bike’s crank area clean and functional. 2. Perfect for mountain bikers who want to safeguard their equipment against rugged terrain. 3. Great for casual riders who appreciate a tidy look without sacrificing performance. Choose the Mongoose chainring sprocket guard for the perfect balance of function and elegance, tailored specifically for your biking needs.