---
product_id: 275707782
title: "UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose"
brand: "upanbike"
price: "5317 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/275707782-upanbike-aluminum-alloy-bike-seat-post-length-350mm30-8mm-black
store_origin: IS
region: Iceland
---

# 350mm length - optimal riding posture 6061 aluminum alloy - ultra durable 4 diameter sizes - perfect fit guaranteed UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose

**Brand:** upanbike
**Price:** 5317 kr
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate your ride, dominate the trail!

## Quick Answers

- **What is this?** UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose by upanbike
- **How much does it cost?** 5317 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/275707782-upanbike-aluminum-alloy-bike-seat-post-length-350mm30-8mm-black)

## 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

- • **Sleek & Stealthy:** Matte black finish complements any mountain or fixed gear bike, making your ride look as sharp as it performs.
- • **Safety First, Always:** Integrated minimum insertion safety line ensures secure installation and peace of mind on every ride.
- • **Engineered for Endurance:** Crafted from high-strength 6061 aluminum alloy for unmatched durability and lightweight performance.
- • **Ride Elevated, Ride Faster:** 350mm length enables ideal saddle height adjustment, promoting a forward-leaning position that slashes air resistance.
- • **Tailored Fit, Zero Guesswork:** Available in four precise diameters (25.4mm, 27.2mm, 28.6mm, 31.6mm) to seamlessly match your bike’s specs.

## Overview

The UPANBIKE Aluminum Alloy Bike Seat Post is a precision-engineered 350mm seatpost made from robust 6061 aluminum alloy. Designed to fit most mountain and fixed gear bikes, it comes in four diameter sizes for a perfect match. Featuring a safety insertion line and a sleek black finish, it enhances riding posture by enabling forward-leaning positions that reduce drag, all while ensuring durability and style.

## Description

specification: Material:6601 Aluminum alloy Diamter:25.4 mm 27.2 mm 28.6 mm 31.6 mm Length:350 mm Wall Thickness:3 mm Color:Black Weight:About 170 g Package Included: 1 x Bike Seatpost Characteristic 1.The material of this seatpost is a high strength aluminum alloy 6061,manufactured by integral forging. 2.Easy Installation: It is easy to install the saddle on this seat post. 3.With the general specification of the dimensions of the clamp,it fits most of the saddles (the four sizes commonly used for you). 4. There is a safety line logo, adjustment is easy. 5. By raising the saddle height, a forward leaning riding position is born, even if the air resistance (drag) is reduced.

## Features

- 【PAY ATTENTION】Please do measure the actual required diameter before purchasing. Saddle clamp is not included, please buy the saddle clamp separately if needed.
- 【MATERIAL】Seatpost made of 6061 aluminum alloy,strong and durable.
- 【SIZE】Length:350mm;Diameter:25.4mm 27.2mm 28.6mm 31.6mm;Thickness of the tube:3mm.
- 【USE&FIT】Seatpost used for for most old style bike,and the bike saddle with clamp.
- 【SAFE LINE MARK】There is a safe line mark on the seat post. Please insert at least above the minimum safety line.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| UPC | 767452332935 767452332713 |
| Bike Type | Mountain Bike |
| Color | Black |
| Size | 27.2mm |
| Material Type | Aluminum |
| Batteries Included? | No |
| Item model number | 50-188-2 |
| Product Dimensions | 35 x 3 x 3 cm; 181 g |
| ASIN | B0789JVT8Y |

## Product Details

- **Colour:** Black
- **Item weight:** 0.18 Kilograms
- **Material:** Aluminum
- **Brand:** UPANBIKE
- **Manufacturer:** UPANTECH

## Images

![UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose - Image 1](https://m.media-amazon.com/images/I/41cpgcgt8fL.jpg)
![UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose - Image 2](https://m.media-amazon.com/images/I/61XgyyRhkKL.jpg)
![UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose - Image 3](https://m.media-amazon.com/images/I/51pH2gEWuZL.jpg)
![UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose - Image 4](https://m.media-amazon.com/images/I/21OdTCIodML.jpg)
![UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose - Image 5](https://m.media-amazon.com/images/I/51ZP9oU+bOL.jpg)

## Available Options

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

## 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.is/products/275707782-upanbike-aluminum-alloy-bike-seat-post-length-350mm30-8mm-black](https://www.desertcart.is/products/275707782-upanbike-aluminum-alloy-bike-seat-post-length-350mm30-8mm-black)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-02*