- Designed specifically for 1-inch (22.2 mm) steering columns, this star nut provides a reliable solution for securing your bicycle stem in place. - Enjoy a stable and secure fixation that enhances your riding experience. This product is compatible with multiple bicycle types, including road bikes, mountain bikes, city bikes, and VTC models. - Featuring a star diameter of 22.2 mm, it is perfectly sized for your 1-inch steering column, ensuring a snug fit. - Crafted from treated steel, this star nut offers superior corrosion and wear resistance, guaranteeing a long service life even in challenging conditions. Use Scenarios: 1. Perfect for mountain biking on rugged terrain where a secure and stable stem is crucial for performance. 2. Ideal for city commuting, providing confidence and safety with every ride on busy streets. 3. A reliable choice for road cyclists seeking to maintain optimal handlebar control during long-distance rides. Enhance your bike’s performance with a durable solution that addresses your needs for stability, compatibility, and longevity.