---
product_id: 591824238
title: "BoenoeaBike Seatpost, Bicycle Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm, 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX"
brand: "boenoea"
price: "¥4997"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/591824238-boenoeabike-seatpost-bicycle-seat-post-25-4mm-27-2mm-28
store_origin: JP
region: Japan
---

# 400mm length Lightweight aluminum 25.4-31.6mm diameters BoenoeaBike Seatpost, Bicycle Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm, 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX

**Brand:** boenoea
**Price:** ¥4997
**Availability:** ✅ In Stock

## Summary

> 🚲 Ride in Style and Comfort!

## Quick Answers

- **What is this?** BoenoeaBike Seatpost, Bicycle Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm, 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX by boenoea
- **How much does it cost?** ¥4997 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/591824238-boenoeabike-seatpost-bicycle-seat-post-25-4mm-27-2mm-28)

## 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

- • **🌍 Universal Fit:** Compatible with a wide range of bikes including mountain, road, and BMX.
- • **🖤 Sleek Aesthetic:** Classic black finish that complements any bike style.
- • **💪 Enhanced Durability:** Engineered for strength, ensuring a reliable ride every time.
- • **🔧 Effortless Installation:** Quickly swap out your old seatpost with a simple unbolt and secure process.
- • **🚴‍♂️ Elevate Your Ride:** Transform your biking experience with a robust yet lightweight aluminum alloy seatpost.

## Overview

The Boenoea Bike Seatpost is a versatile and durable aluminum alloy seat tube available in multiple diameters (25.4mm to 31.6mm) and a length of 400mm, designed for easy installation on various bike types including mountain and road bikes.

## Description

BoenoeaBike Seatpost, Bicycle Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm, 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX

## 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 |
|---------------|-------|
| Bike Type | Mountain Bike |
| Color | Black |
| Size | 25.4x 400mm |
| Material Type | Aluminum |
| Included Components | No |
| Batteries Included? | No |
| Brand | Boenoea |
| Department | unisex-adult |
| Manufacturer | Boenoea |
| Manufacturer reference | Bike Seat Tube-25.4 |
| Product Dimensions | 2.54 x 2.54 x 40.01 cm; 191 g |
| ASIN | B0CL92H744 |

## Product Details

- **Colour:** Black
- **Item weight:** 0.19 Kilograms
- **Material:** Aluminum
- **Brand:** Boenoea
- **Bike type:** Mountain Bike

## Images

![BoenoeaBike Seatpost, Bicycle Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm, 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)
![BoenoeaBike Seatpost, Bicycle Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm, 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX - Image 2](https://m.media-amazon.com/images/I/61rjbTf6kVL.jpg)
![BoenoeaBike Seatpost, Bicycle Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm, 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX - Image 3](https://m.media-amazon.com/images/I/61t4NbfsVgL.jpg)
![BoenoeaBike Seatpost, Bicycle Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm, 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX - Image 4](https://m.media-amazon.com/images/I/51f3CisEO9L.jpg)
![BoenoeaBike Seatpost, Bicycle Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm, 400mm Length Aluminum Alloy Bicycle Seat Tube for Mountain Bike and Road Bike, MBX - Image 5](https://m.media-amazon.com/images/I/51+uV-RTEML.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/591824238-boenoeabike-seatpost-bicycle-seat-post-25-4mm-27-2mm-28](https://www.desertcart.jp/products/591824238-boenoeabike-seatpost-bicycle-seat-post-25-4mm-27-2mm-28)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-24*