• 【High-Strength Aluminum Alloy】Made from aviation-grade aluminum alloy with T6 heat treatment for exceptional durability and lightweight design.
• 【Precision CNC Machining】CNC-machined for precise cutting and shaping, ensuring a perfect fit and high-quality finish.
• 【Protective Nylon Washer】Features a high-strength nylon washer that's crack-resistant, wear-resistant, and pressure-resistant to protect metal components from scratches.
• 【Corrosion-Resistant Finish】Matte surface treatment provides excellent corrosion resistance while enhancing the overall aesthetic appeal.
• 【Universal Compatibility】Suitable for various bike types including vintage steel frame bikes, fixed-gear bikes, mountain bikes, and road bikes.
• 【Quick-Release Design】Easy-to-install and remove design for convenient seat post adjustments and bike maintenance.

Specifications:

• Material: 6061 Aluminum Alloy
• Clamp Diameter: 31.8mm
• Compatible Seat Post Diameters: 27.2mm, 28.6mm