---
product_id: 169808087
title: "25.4/27.2/28.6/30.9/31.6 Bicycle Seatpost 400mm Adjustable Seatpost Mountain Bike Seat Post for MTB Road Bike BMX"
brand: "yichu"
price: "R$474"
currency: BRL
in_stock: true
reviews_count: 1
url: https://www.desertcart.com.br/products/169808087-25-4-27-2-28-6-30-9-31-6
store_origin: BR
region: Brazil
---

# 25.4/27.2/28.6/30.9/31.6 Bicycle Seatpost 400mm Adjustable Seatpost Mountain Bike Seat Post for MTB Road Bike BMX

**Brand:** yichu
**Price:** R$474
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 25.4/27.2/28.6/30.9/31.6 Bicycle Seatpost 400mm Adjustable Seatpost Mountain Bike Seat Post for MTB Road Bike BMX by yichu
- **How much does it cost?** R$474 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/169808087-25-4-27-2-28-6-30-9-31-6)

## 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

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

## Features

- About this item     ※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

![25.4/27.2/28.6/30.9/31.6 Bicycle Seatpost 400mm Adjustable Seatpost Mountain Bike Seat Post for MTB Road Bike BMX - Image 1](https://m.media-amazon.com/images/I/51ixn6Hr8UL.jpg)
![25.4/27.2/28.6/30.9/31.6 Bicycle Seatpost 400mm Adjustable Seatpost Mountain Bike Seat Post for MTB Road Bike BMX - Image 2](https://m.media-amazon.com/images/I/51oiF-xcpnL.jpg)
![25.4/27.2/28.6/30.9/31.6 Bicycle Seatpost 400mm Adjustable Seatpost Mountain Bike Seat Post for MTB Road Bike BMX - Image 3](https://m.media-amazon.com/images/I/51y7-IlxIRL.jpg)
![25.4/27.2/28.6/30.9/31.6 Bicycle Seatpost 400mm Adjustable Seatpost Mountain Bike Seat Post for MTB Road Bike BMX - Image 4](https://m.media-amazon.com/images/I/51pWkcErqCL.jpg)
![25.4/27.2/28.6/30.9/31.6 Bicycle Seatpost 400mm Adjustable Seatpost Mountain Bike Seat Post for MTB Road Bike BMX - Image 5](https://m.media-amazon.com/images/I/61S45GkSKpL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Good Alloy Seatpost
  

*by P***R on Reviewed in the United States on December 23, 2019*

Stock Schwinn MTB seatpost was too short so replaced with this with no problems.  Good seatpost for the price.

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**Shop now:** [https://www.desertcart.com.br/products/169808087-25-4-27-2-28-6-30-9-31-6](https://www.desertcart.com.br/products/169808087-25-4-27-2-28-6-30-9-31-6)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-02-17*