• The bicycle seat tube clamp is made of high-quality aluminum alloy material, which is strong in structure, durable and rust-proof
• Compact and simple in structure, easy to install and use
• With anodized coloring surface, not easy to fade

Specification:

• Material: aluminum alloy
• Surface color treatment: anodized
• Seat tube clamp size selection reference: (This reference is industry standard requirements and does not include special specifications)
• 31.8mm aluminum alloy frame, seat tube diameter 27.2mm, steel frame 28.6mm, middle tube required outer diameter: 31.8mm
• 34.9mm aluminum alloy frame, seat tube diameter 30.4/30.8/30.9/31.6mm, required middle tube diameter: 34.9mm