Upgrade your bike with this essential Headset Stem Top Cap, designed to fit 1-1/8" steerers. This top cap securely holds your stem in place and includes a headset star nut and M6 x 35mm bolt for easy installation. Crafted with Aluminum Alloy materials, this top cap ensures a smooth and stable ride. Whether you're hitting the trails or commuting to work, this top cap is a must-have accessory for maintaining your bike's performance and safety. With its sleek design, it seamlessly integrates with your bike's aesthetics, enhancing its overall look.