Designed for versatility, these carbon fiber headset spacers are compatible with a wide range of bicycles, including road and mountain bikes. The lightweight construction minimizes additional weight, while the sturdy design ensures reliable performance. for cyclists aiming to fine-tune their bike setup for optimal comfort and control. Features -Color:Black -Material:Carbon Fiber -Size:3.50X3.50X0.50cm/1.38X1.38X0.20in -Highstrength carbon fiber: made from durable carbon fiber, these bicycle headset spacers offer exceptional strength and resistance to deformation, ensuring reliable performance -Lightweight performance: the lightweight nature of carbon fiber helps reduce the overall weight of your bike, improving speed and handling for a better riding experience -Smooth edges for safety: the smooth edges of these spacers prevent damage to other bike components, ensuring and secure fit -Quick and simple installation: designed for ease of use, these spacers can be quickly installed and removed, making it easy to adjust your bike's setup -Wide compatibility: these spacers are compatible with a variety of bicycles, including road bikes and mountain bikes, making them a versatile addition to your cycling accessories Package list: 25 x Bicycle Headset Spacer