Bicycle cushion shock absorber

Paramrters:
Item Name: Bicycle Saddle Suspension Device
Size: About16 * 5 * 8.5cm (L * W * H).
Recommend: For Mountain / Road Bike.
Material: Alloy Spring Steel (Main Body)
1. shock absorption.
2. High Quality and High Elactic Alloy Spring Steel

Features:
Adjustable suspension spring.
Comes with brand new mounting screws.
High-quality road bikes, general-purpose bikes and mountain bikes.
Make you more comfortable during riding.
Description:
Metal material, durable.
The best bicycle accessories.

specification:
Material: Metal
Colour: Black
Size: 16 * 5 * 8.5cm

package list:
1 x bicycle spring shock absorber