---
product_id: 594864749
title: "Boenoea Bike Seatpost, Bicycle Seat Post 25.4 27.2 28.6 30.4 30.9 31.6 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX"
brand: "boenoea"
price: "¥2880"
currency: JPY
in_stock: true
category: "Boenoea"
url: https://www.desertcart.jp/products/594864749-boenoea-bike-seatpost-bicycle-seat-post-25-4-27-2
store_origin: JP
region: Japan
---

# Universal fit: 25.4-31.6mm diameters Lightweight 0.19kg aluminum alloy 400mm length for versatile bike types Boenoea Bike Seatpost, Bicycle Seat Post 25.4 27.2 28.6 30.4 30.9 31.6 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX

**Brand:** boenoea
**Price:** ¥2880
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate your ride with the ultimate lightweight seatpost upgrade!

## Quick Answers

- **What is this?** Boenoea Bike Seatpost, Bicycle Seat Post 25.4 27.2 28.6 30.4 30.9 31.6 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX by boenoea
- **How much does it cost?** ¥2880 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/594864749-boenoea-bike-seatpost-bicycle-seat-post-25-4-27-2)

## Best For

- boenoea enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Upgrade:** Simple installation lets you swap your old seatpost in minutes—no hassle, just hit the road faster.
- • **Universal Versatility:** Designed to fit a wide range of bike styles, from rugged mountain trails to sleek city streets.
- • **Sleek, Stealthy Design:** Matte black finish adds a modern, professional edge to your bike’s aesthetic.
- • **Featherlight Durability:** Crafted from premium aluminum alloy, this seatpost balances strength and minimal weight for peak performance.
- • **Precision Fit for Every Ride:** Multiple diameter options (25.4 to 31.6mm) ensure seamless compatibility with your mountain, road, or BMX bike.

## Overview

The Boenoea Bike Seatpost is a 400mm long, lightweight aluminum alloy seat tube available in multiple diameters (25.4 to 31.6mm), designed for universal compatibility with mountain, road, BMX, and fixed gear bikes. Its durable yet featherlight construction ensures reliable performance and easy installation, making it a top choice for cycling enthusiasts seeking both style and function.

## Description

We have been specializing in bicycle accessories for many years, providing a range of different sizes and styles of bicycle seat tubes for everyone to choose from. Welcome to consult!

## Features

- Warm Tips: Please measure and confirm the exact post diameter required before purchasing. The saddle clamp is not included, please buy it if needed
- Size: Length: 400 mm; Diameter: 25.4mm; Color: Black
- Material: Boenoea seatpost is made of lightweight aluminum alloy, and the internal design is sturdy and durable, improving the load-bearing
- Easy to Install: Just unbolt the old seat and remove the seat tube, then secure the seat bolt to the new one and attach it to the frame. Please insert at least above the minimum safety line
- Widely Universal: Boenoea Seat Post is widely suited for most road bikes, mountain bikes, fixed gear bikes, BMX, etc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CL92H744 |
| Best Sellers Rank | #4,159 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Bike Seat Posts |
| Bike Type | Mountain Bike |
| Brand Name | Boenoea |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,203) |
| Included Components | No |
| Item Diameter | 25.4 millimeters |
| Item Dimensions W x H | 1"W x 15.75"H |
| Item Type Name | 1 |
| Item Weight | 0.19 kg |
| Manufacturer | Boenoea |
| Manufacturer Part Number | Bike Seat Tube-25.4 |
| Material Type | Aluminum |
| Number of Items | 1 |
| Warranty Description | No |

## Product Details

- **Brand:** Boenoea
- **Color:** Black
- **Item Weight:** 0.19 kg
- **Material:** Aluminum
- **Product Dimensions:** 1"W x 15.75"H

## Images

![Boenoea Bike Seatpost, Bicycle Seat Post 25.4 27.2 28.6 30.4 30.9 31.6 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX - Image 1](https://m.media-amazon.com/images/I/415+1PaSvmL.jpg)

## Available Options

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

## Frequently Bought Together

- Boenoea Bike Seatpost, Bicycle Seat Post 25.4 27.2 28.6 30.4 30.9 31.6 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX
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**Shop now:** [https://www.desertcart.jp/products/594864749-boenoea-bike-seatpost-bicycle-seat-post-25-4-27-2](https://www.desertcart.jp/products/594864749-boenoea-bike-seatpost-bicycle-seat-post-25-4-27-2)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-22*