- Optimal Size : This knob thread bolt screw measures 7.5 cm (2.95 inches), ensuring easy installation on fitness machines. Its size is ideal for a secure fit with minimal effort. - Versatile Applications : Specifically designed for fitness bikes, this screw bolt knob serves as a reliable accessory. It is compatible with various strength and fitness equipment, such as exercise bikes and some weight benches, making it a universal addition to your workout gear. - Contents : Each package includes a screw knob tailored for stationary bikes. The compact and lightweight design makes it user-friendly and portable, catering to your on-the-go fitness needs. - Ease of Use : This bolt knob screw is quick to install and designed for effortless operation. It saves you time and labor, allowing you to focus on your workout rather than installation difficulties. - Practical Use Scenarios : 1. Replace worn or broken knobs on your exercise bike for improved stability and safety during workouts. 2. Upgrade your home gym equipment with this seamless screw knob, enhancing functionality and user experience. 3. Ensure all your fitness machinery is equipped with reliable screws, making adjustments effortless. Choose this sturdy and practical bolt knob screw to enhance the performance of your fitness equipment and streamline your workouts.