Upgrade your bicycle's cockpit with the Wheels Manufacturing Aluminum Headset Spacer - a precision-engineered component designed for optimal headset performance and durability. Crafted from high-quality aluminum, this 1-1/8" black headset spacer offers excellent strength while remaining lightweight, making it an ideal choice for mountain bikes, road bikes, and urban commuter bikes. Materials & Construction: Made from durable, anodized aluminum, this headset spacer resists corrosion and provides a sleek, matte black finish that complements a variety of bike styles. Its precision-cut design ensures a perfect fit, maintaining proper headset alignment and smooth steering performance. Performance & Engineering: Engineered for precise stack height and consistent performance, the 40mm thickness guarantees adequate spacing for accommodating various fork and handlebar setups. This ensures a secure, stable headset assembly that enhances overall riding experience. The spacer's tight tolerances contribute to reduced play and increased steering precision. Components & Technology: Designed for compatibility with standard 1-1/8" steer tubes and 28.6mm S.H.I.S. stem clamps, this spacer integrates seamlessly into your existing headset assembly. Its lightweight aluminum construction minimizes weight without sacrificing strength, optimizing bike handling and responsiveness. Style & Use Case: A versatile accessory suitable for upgrade or custom build projects, this black headset spacer adds a clean, professional look to your bike's cockpit. Ideal for road cycling, mountain biking, or urban riding, it provides the ideal spacing for maintaining proper headset preload and ensuring long-term durability of your steering components. Innovative & Differentiating Features: - Precision CNC machining for perfect fit and function - Anodized black finish for corrosion resistance and style - Compatible with a variety of headset and stem configurations - Lightweight yet robust aluminum construction