---
product_id: 309553465
title: "Bike Seatpost 25.4/27.2/28.6/30.8/31.6 350mm Aluminum Alloy Bicycle Seat Post for MTB Road Bike BMX"
brand: "platt"
price: "€ 23.09"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/309553465-bike-seatpost-25-4-27-2-28-6-30-8
store_origin: FI
region: Finland
---

# 5 diameter sizes - perfect fit guaranteed 6061 aluminum alloy - lightweight & durable Safety line mark - secure installation Bike Seatpost 25.4/27.2/28.6/30.8/31.6 350mm Aluminum Alloy Bicycle Seat Post for MTB Road Bike BMX

**Brand:** platt
**Price:** € 23.09
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate your ride with strength, style, and safety!

## Quick Answers

- **What is this?** Bike Seatpost 25.4/27.2/28.6/30.8/31.6 350mm Aluminum Alloy Bicycle Seat Post for MTB Road Bike BMX by platt
- **How much does it cost?** € 23.09 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/309553465-bike-seatpost-25-4-27-2-28-6-30-8)

## Best For

- platt enthusiasts

## Why This Product

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

## Key Features

- • **Safety First, Always:** Built-in safety line mark ensures your seatpost is installed with maximum security and peace of mind.
- • **Universal Compatibility:** Designed to seamlessly fit MTB, road, BMX, fixed gear, and downhill bikes—your all-terrain upgrade.
- • **Vibrant Anodized Finish:** Available in Black, Blue, Red, and Silver with colorfast, corrosion-resistant coating that stands out on every trail.
- • **Engineered for Endurance:** Crafted from premium 6061 aluminum alloy for a featherlight yet rock-solid ride.
- • **Precision Fit for Every Ride:** Choose from 25.4 to 31.6mm diameters to match your bike perfectly—no compromises.

## Overview

The Platt Bike Seatpost is a 350mm aluminum alloy seatpost available in five diameters (25.4 to 31.6mm), designed for a wide range of bicycles including MTB, road, BMX, and fixed gear. Featuring a durable anodized finish in multiple colors and a safety line mark for secure installation, it combines lightweight strength with universal compatibility to enhance your cycling experience.

## Description

Bike Seatpost 25.4/27.2/28.6/30.8/31.6 350mm Aluminum Alloy Bicycle Seat Post for MTB Road Bike BMX

## Features

- PAY ATTENTION:Please measure and confirm the exact post diameter required for your bike.
- MATERIAL: Made of 6061 aluminum alloy, Lightweight strong and durable.Comes anodized in Black, Blue,Red and Silver,colorfast surface,great anti-corrosion
- SIZE: Diameter: 25.4/27.2/28.6/30.8/31.6mm; Length:350mm;
- SAFE LINE MARK: There is a safety line mark on the seatpost. Please insert at least above the minimum safety line when installing the new seatpost.
- USE&FIT:Widely use in most road bicycles, fixed gear bicycles, mountain bikes, downhill bicycles, rail bikes, MTB, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| UPC | 619191723072 |
| Item Package Dimensions L x W x H | 14.68 x 1.77 x 1.02 inches |
| Package Weight | 0.14 Kilograms |
| Item Dimensions  LxWxH | 1 x 1 x 13.78 inches |
| Brand Name | PLATT |
| Part Number | US054 |
| Size | 25.4mm |

## Product Details

- **Color:** black
- **Material:** Aluminum
- **Brand:** PLATT
- **Product Dimensions:** 1"W x 13.78"H
- **Manufacturer:** Platt

## Images

![Bike Seatpost 25.4/27.2/28.6/30.8/31.6 350mm Aluminum Alloy Bicycle Seat Post for MTB Road Bike BMX - Image 1](https://m.media-amazon.com/images/I/51-rwZAcPmL.jpg)

## Available Options

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

## Frequently Bought Together

- Platt Bike Seatpost 25.4/27.2/28.6/30.8/31.6 350mm Aluminum Alloy Bicycle Seat Post for MTB Road Bike BMX
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**Shop now:** [https://www.desertcart.fi/products/309553465-bike-seatpost-25-4-27-2-28-6-30-8](https://www.desertcart.fi/products/309553465-bike-seatpost-25-4-27-2-28-6-30-8)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-19*