Specification:

Material: 6061 T6 Aluminum Alloy
Colour: Black
Weight: About 270~350 Grams
Length: 350/400 Mm
Seatpost Thickness: 2.5 Mm, High Strength.
Seat Post Diameter: 25.4mm/27.2mm/28.6mm/30.9mm/31.6mm

Features:
The Head Is Adjustable For Easy Installation. The Seat Angle Can Be Adjusted.
Light Weight And No Rust.
Suitable For Most Mountain Bikes, Road Bikes, Mountain Bikes, Off-Road Vehicles, Etc.
Easy To Stop.

Caution:
Please Confirm The Size Of The Seat Pillar You Need Before Purchasing.

Specification:

Brand: UNO
Model No: SP-368
Type: Straight head tube
Material:6060-T6 Ultralight Aluminum Alloy
Color: Turning Silver with black logo

Length: 27.2/30.9/31.6mm*350MM

Weight:
27.2*350MM/around 306g
30.9*350MM/around 298g
31.6*350MM/around 313g

NOTE:Because of production techinique,size error is around ±5mm, weight error is around ±10g