The Race Face Carbon Spacer Kit is a high-quality solution for 1 1/8 inch headset sets. It includes a top cap as well as several spacers in different sizes: 15 mm, 10 mm, 5 mm, and 2 mm. These spacers allow for precise adjustment of the headset height, which is crucial for optimal riding position and control on the bike. Made from durable carbon, the kit not only offers an appealing aesthetic in black but also provides high strength and low weight, enhancing the overall performance of the bike. The product is made in Taiwan and is ideal for cyclists who value quality and functionality. With this spacer kit, individual adjustments can be made to maximize personal comfort and efficiency while riding.