Features:
New shock-absorbed system to change riding comfort
31.6 mm seat tube with internal suspension
Made of high-strength aviation material
Rebound force adjustable by tightening or loose the bottom screw
A seat tube that is taller and more comfortable for riding
Suspension system: internal coil with pre-load regulation

Specification:
Material: Aluminum Alloy
Color: Black, Red
Tube Diameter: 31.6 mm
Length: 350 mm
For sizes of 31.6mm (without adaptor), 33.9mm (with adapter)
Weight: App. 510 g

Package Included:
1 x Bicycle Seat Post
1 x Adapter (Based on the size option)

Notes:
Color shown on your monitor may be slightly different from the real product depending on your monitor settings.
Please kindly check the size before purchase.
Please notes that the bike seat is not included.....