GUB CX-49 34.9mm Aluminum Ultralight Bicycle Seat Post Clamp(Black)

1. Aluminium alloy material.
2. Long service life. Convenient design, simple installation.
3. 34.9mm clamp fit for 30.9/31.6mm seatpost.
4. Features: fine processing, fine-tuning screw design.
5. Anti-rust, corrosion resistance.