DocumentThe cycling headset top cover has an outer diameter of 1 1/4" (31.8mm), fitting most standard bicycle headset stems. Its precise size ensures a secure fit and stability.Made of carbon fiber top cover and titanium alloy bolts, the cap is strong yet lightweight. It features a black CNC finish that enhances its stylish look, while also ensuring easy installation and greater durability.Suitable for mountain bikes and road bikes, this accessory enhances both functionality and appearance, making it easy to upgrade your bike's style.Replace the original cap with this cap with bolts when using. Make sure it is securely fastened.Check compatibility with your bike's headset stem before installation.

1 1/4" OD Bicycle Headset Stem Top Cap Carbon Fiber with Rainbow Titanium Bolt
- The cycling headset top cover has an outer diameter of 1 1/4" (31.8mm), fitting most standard bicycle headset stems. Its precise size ensures a secure fit and stability.
- Made of carbon fiber top cover and titanium alloy bolts, the cap is strong yet lightweight. It features a black CNC finish that enhances its stylish look, while also ensuring easy installation and greater durability.
- Suitable for mountain bikes and road bikes, this accessory enhances both functionality and appearance, making it easy to upgrade your bike's style.
- Replace the original cap with this cap with bolts when using. Make sure it is securely fastened.
- Check compatibility with your bike's headset stem before installation.