---
product_id: 724998102
title: "UPANBIKE Bicycle Seatpost 25.4mm 27.2mm 28.6mm 30.8mm 31.6mm 350mm Bike Seatpost for Road Bike, Mountain Bike, Fixed Gear Bike"
brand: "upanbike"
price: "29 kr"
currency: DKK
in_stock: false
reviews_count: 8
url: https://www.desertcart.dk/products/724998102-upanbike-bicycle-seatpost-25-4mm-27-2mm-28-6mm-30
store_origin: DK
region: Denmark
---

# Multiple diameters (25.4-31.6mm) - perfect fit 350mm length with 3mm wall thickness - high strength 6061 Aluminum Alloy - durable & lightweight UPANBIKE Bicycle Seatpost 25.4mm 27.2mm 28.6mm 30.8mm 31.6mm 350mm Bike Seatpost for Road Bike, Mountain Bike, Fixed Gear Bike

**Brand:** upanbike
**Price:** 29 kr
**Availability:** ❌ Out of Stock

## Summary

> 🚴‍♂️ Elevate Your Ride with Precision & Power!

## Quick Answers

- **What is this?** UPANBIKE Bicycle Seatpost 25.4mm 27.2mm 28.6mm 30.8mm 31.6mm 350mm Bike Seatpost for Road Bike, Mountain Bike, Fixed Gear Bike by upanbike
- **How much does it cost?** 29 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/724998102-upanbike-bicycle-seatpost-25-4mm-27-2mm-28-6mm-30)

## Best For

- upanbike enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Compatibility:** Designed to fit road bikes, mountain bikes, fixed gear, and vintage models, making it the ultimate upgrade for any cycling enthusiast.
- • **Engineered for Endurance:** Crafted from premium 6061 aluminum alloy, this seatpost offers unmatched durability without adding extra weight.
- • **Measure Before You Upgrade:** Simple reminder to measure your bike’s seat tube diameter to guarantee a flawless fit and avoid any installation hassle.
- • **Precision Fit for Every Ride:** Choose from 4 diameters to perfectly match your bike frame for seamless installation and optimal performance.
- • **Robust Build with Lightweight Design:** 350mm length and 3mm wall thickness ensure a strong yet lightweight structure that enhances your ride comfort and control.

## Overview

The UPANBIKE Bicycle Seatpost is a high-strength, lightweight upgrade made from durable 6061 aluminum alloy. Available in four precise diameters (25.4mm to 31.6mm) and a 350mm length with 3mm wall thickness, it fits a wide range of bikes including road, mountain, fixed gear, and vintage models. Designed for cyclists who demand reliability and performance, this seatpost ensures a perfect fit and long-lasting endurance.

## Description

Specifications: Material: 6601 Aluminum Alloy Diameter: 25.4mm 27.2mm 28.6mm 31.6mm Length: 350mm Wall Thickness: 3mm Color: Black Weight: about 170g Package Includes: 1 x Bicycle Seatpost Features 1. The material of this seat post is made of high strength aluminum alloy 6061 and is manufactured with one piece forging. 2.Easy to install: You can easily install the saddle on this seat post. 3. According to the general specification of the clamp dimension, it will fit most saddles (4 sizes commonly used) 4.Safety line logo for easy adjustment. 5. Raising the saddle height allows you to create a forward riding position even when the air resistance (drag) decreases.

## Features

- 【耐久性のある素材】材質：6061アルミニウム合金,強く耐久性のある.
- 【シートポストの直径】25.4mm 27.2mm 28.6mm 31.6mm(あなたの選択のための4つのサイ ズ);
- 【適した自転車】に適しています:旧式の自転車、マウンテンバイク、ロードバイク、通常の自転車の様々な クランプ付きサドル
- 【サイズ】壁の厚さ：3mm （高強度） シートポストの長さ：350mm
- 【注意を払う】購入する前に実際の必要な直径を測定してください。

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | UPANTECH |
| UPC | 767452332942 767452332720 |
| Model Number | 50-188-3 |
| Size | 28.6mm |
| Batteries Included | No |
| Target Audience | メンズ, ジュニア, レディース |
| Product Dimensions | 2.86 x 2.86 x 35 cm; 168 g |

## Product Details

- **Color:** ブラック28.6mm×350mm
- **Material:** アルミニウム
- **Brand:** UPANBIKE
- **Bike Type:** マウンテンバイク
- **Product Dimensions:** 29W x 350H mm

## Images

![UPANBIKE Bicycle Seatpost 25.4mm 27.2mm 28.6mm 30.8mm 31.6mm 350mm Bike Seatpost for Road Bike, Mountain Bike, Fixed Gear Bike - Image 1](https://m.media-amazon.com/images/I/51nTqJBmEiL.jpg)
![UPANBIKE Bicycle Seatpost 25.4mm 27.2mm 28.6mm 30.8mm 31.6mm 350mm Bike Seatpost for Road Bike, Mountain Bike, Fixed Gear Bike - Image 2](https://m.media-amazon.com/images/I/617yrhxrlAS.jpg)
![UPANBIKE Bicycle Seatpost 25.4mm 27.2mm 28.6mm 30.8mm 31.6mm 350mm Bike Seatpost for Road Bike, Mountain Bike, Fixed Gear Bike - Image 3](https://m.media-amazon.com/images/I/61Y4EYkl-qS.jpg)
![UPANBIKE Bicycle Seatpost 25.4mm 27.2mm 28.6mm 30.8mm 31.6mm 350mm Bike Seatpost for Road Bike, Mountain Bike, Fixed Gear Bike - Image 4](https://m.media-amazon.com/images/I/61lJx45sbYS.jpg)
![UPANBIKE Bicycle Seatpost 25.4mm 27.2mm 28.6mm 30.8mm 31.6mm 350mm Bike Seatpost for Road Bike, Mountain Bike, Fixed Gear Bike - Image 5](https://m.media-amazon.com/images/I/71ujtqvoklS.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ 普通
*by 大***純 on February 15, 2025*

特に問題もなく普通に使える

### ⭐⭐⭐⭐ 塗装と質感は良いです。
*by 花***郎 on June 21, 2021*

アルミ合金でスチールより若干軽くなったと感じます。表面の塗装と質感は良い感じで耐久性もあります。特に不満はなく当たりだと思います。

### ⭐⭐⭐⭐⭐ 軽量化も考えて
*by や***ん on April 23, 2024*

25年前の折りたたみ自転車の、サビサビのポストを交換しました。とても軽くサドルの高さのメモリもあるので、良い感じです！

## Frequently Bought Together

- UPANBIKE Bike Seat Post Aluminum Alloy Length 350mm 400mm φ25.4/27.2/28.6/30.4/30.9/31.6mm Black for Mountain Bike Road Bicycle
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**Shop now:** [https://www.desertcart.dk/products/724998102-upanbike-bicycle-seatpost-25-4mm-27-2mm-28-6mm-30](https://www.desertcart.dk/products/724998102-upanbike-bicycle-seatpost-25-4mm-27-2mm-28-6mm-30)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-26*