---
product_id: 343786674
title: "Bike Seat Post 25.4/27.2/28.6 x 350 mm Aluminum Alloy Bicycle Seatpost for Mountain MTB Road Bike Fixed Gear Bike Seatpost"
brand: "topbuti"
price: "₩33451"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/343786674-bike-seat-post-25-4-27-2-28-6-x
store_origin: KR
region: South Korea
---

# Material: Aluminum Alloy Length: 350mm Diameter: 27.2mm Bike Seat Post 25.4/27.2/28.6 x 350 mm Aluminum Alloy Bicycle Seatpost for Mountain MTB Road Bike Fixed Gear Bike Seatpost

**Brand:** topbuti
**Price:** ₩33451
**Availability:** ✅ In Stock

## Summary

> 🚴‍♀️ Elevate Your Ride—Because Every Journey Deserves the Best!

## Quick Answers

- **What is this?** Bike Seat Post 25.4/27.2/28.6 x 350 mm Aluminum Alloy Bicycle Seatpost for Mountain MTB Road Bike Fixed Gear Bike Seatpost by topbuti
- **How much does it cost?** ₩33451 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/343786674-bike-seat-post-25-4-27-2-28-6-x)

## Best For

- topbuti enthusiasts

## Why This Product

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

## Key Features

- • **📏 Perfect Fit Guarantee:** Measure twice, ride once! Ensure the right diameter for a seamless fit.
- • **🌍 Versatile Compatibility:** Fits a wide range of bikes, from mountain to road, ensuring you ride in style.
- • **🔧 Hassle-Free Installation:** Easily swap out your old seat post in minutes—no bike shop required!
- • **🛡️ Enhanced Load-Bearing:** Engineered for strength, this seat post supports your adventures without compromise.
- • **🚴‍♂️ Upgrade Your Ride:** Transform your biking experience with a lightweight yet durable aluminum alloy seat post.

## Overview

The Topbuti Bike Seat Post is a high-quality aluminum alloy component designed for mountain and road bikes. Measuring 350mm in length and 27.2mm in diameter, it offers a robust and lightweight solution for cyclists looking to enhance their riding experience. Easy to install and compatible with various bike styles, this seat post is a must-have for any biking enthusiast.

## Description

Bike Seat Post 25.4/27.2/28.6 x 350 mm Aluminum Alloy Bicycle Seatpost for Mountain MTB Road Bike Fixed Gear Bike Seatpost

## Features

- Please Pay Attention: Please do measure and confirm the actual required diameter you need before purchasing, otherwise you will find it too small or too big for your bike and waste your time to return it. Saddle clamp is NOT included.
- Bike Seat Post Size: Length: 350mm/ 13.8 inch, Outer Diameter 27.2mm/ 1.07 inch, Thickness of the tube: 2mm/ 0.08 inch, Color: black.
- Material: The bicycle seat tube saddle pole is made of aluminum alloy, durable and stronger inside design will improve the load-bearing of seat post.
- Easy to Install: Unbolt the old seat and remove bicycle seat post, then secure the seat bolt to the new bicycle seatpost and attaching it to the bike frame. Note: There is a safe line mark on the seat post. Please insert at least above the MINI INSERTION line.
- Widely Use: The saddle pole bike seatpost seat tube is suitable for most old style bike, and the bike saddle with clamp, mountain bike, road bike, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 1.07"W x 13.78"H |
| Manufacturer | Topbuti |
| Item Package Dimensions L x W x H | 15 x 2.2 x 2.13 inches |
| Package Weight | 0.17 Kilograms |
| Item Dimensions  LxWxH | 1.07 x 1.07 x 13.78 inches |
| Brand Name | Topbuti |
| Part Number | B-27 |
| Size | 27.2 x 350mm |

## Product Details

- **Color:** Black
- **Item Weight:** 0.17 Kilograms
- **Material:** Aluminum
- **Brand:** Topbuti
- **Bike Type:** Mountain Bike

## Images

![Bike Seat Post 25.4/27.2/28.6 x 350 mm Aluminum Alloy Bicycle Seatpost for Mountain MTB Road Bike Fixed Gear Bike Seatpost - Image 1](https://m.media-amazon.com/images/I/61RlXIz+NvS.jpg)
![Bike Seat Post 25.4/27.2/28.6 x 350 mm Aluminum Alloy Bicycle Seatpost for Mountain MTB Road Bike Fixed Gear Bike Seatpost - Image 2](https://m.media-amazon.com/images/I/718piiwBzWL.jpg)
![Bike Seat Post 25.4/27.2/28.6 x 350 mm Aluminum Alloy Bicycle Seatpost for Mountain MTB Road Bike Fixed Gear Bike Seatpost - Image 3](https://m.media-amazon.com/images/I/71Mv9qYBd7L.jpg)
![Bike Seat Post 25.4/27.2/28.6 x 350 mm Aluminum Alloy Bicycle Seatpost for Mountain MTB Road Bike Fixed Gear Bike Seatpost - Image 4](https://m.media-amazon.com/images/I/51U9lB+8aBS.jpg)
![Bike Seat Post 25.4/27.2/28.6 x 350 mm Aluminum Alloy Bicycle Seatpost for Mountain MTB Road Bike Fixed Gear Bike Seatpost - Image 5](https://m.media-amazon.com/images/I/71kovMks4vS.jpg)

## Available Options

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

## Frequently Bought Together

- Topbuti Bike Seat Post 25.4/27.2/28.6 x 350 mm Aluminum Alloy Bicycle Seatpost for Mountain MTB Road Bike Fixed Gear Bike Seatpost
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**Shop now:** [https://www.desertcart.kr/products/343786674-bike-seat-post-25-4-27-2-28-6-x](https://www.desertcart.kr/products/343786674-bike-seat-post-25-4-27-2-28-6-x)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-27*