FMFXTR Mountain Bike Seat Post Bicycle Aluminum Alloy Sitting Tube, Specification:, 25.4x350mm, 27.2x350mm, 28.6x350mm, 30.4x350mm, 30.8x350mm, 31.6x350mm, 25.4x450mm, 27.2x450mm, 28.6x450mm

1. With safety identification line, easy to install
2. Thickened pipe wall, not easy to break
3. Matte surface, anodized, durable
4. The angle of the seat cushion can be fine-tuned
5. Material: 6061 aluminum alloy
6. Diameter: about 25.4/27.2/28.6/30.4/30.8/31.6mm
7. Length: about 35/45cm