---
product_id: 170375535
title: "Yichu 30.9mm Aluminum Alloy Bike Seat Post Length 400mm Black for Mountain Bike Fixed Gear Bike Seatpost"
brand: "yichu"
price: "€ 32.88"
currency: EUR
in_stock: false
category: "Outdoors"
url: https://www.desertcart.sk/products/170375535-yichu-30-9mm-aluminum-alloy-bike-seat-post-length-400mm
store_origin: SK
region: Slovakia
---

# Yichu 30.9mm Aluminum Alloy Bike Seat Post Length 400mm Black for Mountain Bike Fixed Gear Bike Seatpost

**Brand:** yichu
**Price:** € 32.88
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Yichu 30.9mm Aluminum Alloy Bike Seat Post Length 400mm Black for Mountain Bike Fixed Gear Bike Seatpost by yichu
- **How much does it cost?** € 32.88 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/170375535-yichu-30-9mm-aluminum-alloy-bike-seat-post-length-400mm)

## Best For

- yichu enthusiasts

## Why This Product

- Trusted yichu brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

&#x203B;&#x203B;Specifications:&#x203B;&#x203B;  &#x203B;Material:7075 Aluminum alloy &#x203B;Color:Blue, Black, Red &#x203B;Weight:about 209~335g &#x203B;Length:400mm &#x203B;Seat post thickness:2.5mm,high strength. &#x203B;Seat post diameter:25.4mm/27.2mm/28.6mm/30.9mm/31.6mm   Features: &#x2605;With adjustable head, convenient to install.Seat angle is adjustable. &#x2605;Light weight,never rust. &#x2605;Suitable for most Mountain bikes, Road bike, MTB, BMX, etc Easy to stall.   &#x2605;&#x2605;&#x2605;Packling Listing:&#x2605;&#x2605;&#x2605; 1 X 400mm Bike Seat post &#x2605;&#x2605;&#x2605;Pay attention:&#x2605;&#x2605;&#x2605; Please confirm the seat post size you need before you buy it.

## Features

- ※Seatpost Diameter:25.4/27.2*28.6/30.9/31.6mm.Post Length:400mm.Please confirm the seat post size you need before you buy it.
- ※Made of High quality 7075 aluminium alloy.Light weight,never rust.Strength: 4.9 levels ultra high strength, maxium of 580lbs.
- ※With adjustable head, convenient to install.Seat angle is adjustable.
- ※Suitable for most Mountain bikes, Road bike, Downhill bike, Track bike, MTB, BMX, DH, etc
- ※How to Choose the Size:1.Check the diameter of the original seatpost,choose the same size as the original diameter.2.Measure the inside diameter of the frame tube.

## Images

![Yichu 30.9mm Aluminum Alloy Bike Seat Post Length 400mm Black for Mountain Bike Fixed Gear Bike Seatpost - Image 1](https://m.media-amazon.com/images/I/31bkKScM8OL.jpg)
![Yichu 30.9mm Aluminum Alloy Bike Seat Post Length 400mm Black for Mountain Bike Fixed Gear Bike Seatpost - Image 2](https://m.media-amazon.com/images/I/41H0q7+FIEL.jpg)
![Yichu 30.9mm Aluminum Alloy Bike Seat Post Length 400mm Black for Mountain Bike Fixed Gear Bike Seatpost - Image 3](https://m.media-amazon.com/images/I/31OFiOqg5UL.jpg)
![Yichu 30.9mm Aluminum Alloy Bike Seat Post Length 400mm Black for Mountain Bike Fixed Gear Bike Seatpost - Image 4](https://m.media-amazon.com/images/I/41IcFnqby9L.jpg)
![Yichu 30.9mm Aluminum Alloy Bike Seat Post Length 400mm Black for Mountain Bike Fixed Gear Bike Seatpost - Image 5](https://m.media-amazon.com/images/I/51LJe3OMvUL.jpg)

## Available Options

This product comes in different **Color, Size** options.

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**Shop now:** [https://www.desertcart.sk/products/170375535-yichu-30-9mm-aluminum-alloy-bike-seat-post-length-400mm](https://www.desertcart.sk/products/170375535-yichu-30-9mm-aluminum-alloy-bike-seat-post-length-400mm)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-17*