---
product_id: 389910962
title: "Bike Seat Post 27.2mm 30.9mm 31.6mm Bicycle SeatPost 400mm for Mountain Bike Road Bikes MTB BMX"
brand: "bynccea"
price: "₩69245"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/389910962-bike-seat-post-27-2mm-30-9mm-31-6mm-bicycle
store_origin: KR
region: South Korea
---

# 3 diameter sizes for perfect fit Adjustable head for easy installation Forged 6061 T6 aluminum alloy strength Bike Seat Post 27.2mm 30.9mm 31.6mm Bicycle SeatPost 400mm for Mountain Bike Road Bikes MTB BMX

**Brand:** bynccea
**Price:** ₩69245
**Availability:** ✅ In Stock

## Summary

> 🚵‍♂️ Elevate your ride with precision and style — because your bike deserves the best!

## Quick Answers

- **What is this?** Bike Seat Post 27.2mm 30.9mm 31.6mm Bicycle SeatPost 400mm for Mountain Bike Road Bikes MTB BMX by bynccea
- **How much does it cost?** ₩69245 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/389910962-bike-seat-post-27-2mm-30-9mm-31-6mm-bicycle)

## Best For

- bynccea enthusiasts

## Why This Product

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

## Key Features

- • **Sleek Matte Black Finish:** Modern, minimalist look that complements any mountain, road, or BMX bike.
- • **Built to Endure Every Trail:** Crafted from premium forged 6061 T6 aluminum alloy for unbeatable durability and lightweight performance.
- • **Precision Fit, Zero Guesswork:** Choose from 27.2mm, 30.9mm, or 31.6mm diameters to match your bike perfectly.
- • **Ride with Confidence, Guaranteed:** Backed by a 12-month warranty for peace of mind on every adventure.
- • **Effortless Setup, Instant Upgrade:** Adjustable head design ensures quick installation and precise saddle positioning.

## Overview

The Bynccea Bike Seat Post offers a versatile fit with three diameter options (27.2mm, 30.9mm, 31.6mm) and a 400mm length, crafted from durable forged 6061 T6 aluminum alloy. Its adjustable head allows for easy installation and optimal saddle positioning, making it ideal for mountain, road, and BMX bikes. Finished in sleek black and backed by a 12-month warranty, this seatpost combines strength, style, and reliability for serious riders.

## Description

Bike Seat Post 27.2mm 30.9mm 31.6mm Bicycle SeatPost 400mm for Mountain Bike Road Bikes MTB BMX

## Features

- Mountain Bike Seatpost Size: 27.2mm/30.9mm/31.6mm,Total length: 400mm.
- Pay Attention to Choose Correct Diameter Size:Take out your current seatpost, the diameter marked on it’s lower area. Then buy same size from the option.
- Material:Forged aluminum alloy 6061 T6.
- Bynccea MTB seatpost with adjustable head,convenient to install.
- 【12-MONTH WARRANTY】:Quality guarantee.If you’re not 100% satisfied with your bike seatposts, simply send us a message and we’ll take care of you.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Bike Type | Mountain Bike |
| Color | Black |
| Size | 27.2mm |
| Material Type | Aluminum |
| Batteries Included? | No |
| Brand | Bynccea |
| Manufacturer | Bynccea |
| Item model number | Seatpost-1 |
| Product Dimensions | 2.72 x 2.72 x 40 cm; 381 g |
| ASIN | B0946JL8LX |

## Product Details

- **Colour:** Black
- **Item weight:** 0.38 Kilograms
- **Material:** Aluminum
- **Brand:** Bynccea
- **Bike type:** Mountain Bike

## Images

![Bike Seat Post 27.2mm 30.9mm 31.6mm Bicycle SeatPost 400mm for Mountain Bike Road Bikes MTB BMX - Image 1](https://m.media-amazon.com/images/I/41j5BqfNb4S.jpg)
![Bike Seat Post 27.2mm 30.9mm 31.6mm Bicycle SeatPost 400mm for Mountain Bike Road Bikes MTB BMX - Image 2](https://m.media-amazon.com/images/I/51jt7rinr1S.jpg)
![Bike Seat Post 27.2mm 30.9mm 31.6mm Bicycle SeatPost 400mm for Mountain Bike Road Bikes MTB BMX - Image 3](https://m.media-amazon.com/images/I/51EpJ4QFUHS.jpg)
![Bike Seat Post 27.2mm 30.9mm 31.6mm Bicycle SeatPost 400mm for Mountain Bike Road Bikes MTB BMX - Image 4](https://m.media-amazon.com/images/I/51gfBKmRcLL.jpg)
![Bike Seat Post 27.2mm 30.9mm 31.6mm Bicycle SeatPost 400mm for Mountain Bike Road Bikes MTB BMX - Image 5](https://m.media-amazon.com/images/I/71j4WnUupmL.jpg)

## Available Options

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

## Frequently Bought Together

- Bynccea Bike Seat Post 27.2mm 30.9mm 31.6mm Bicycle SeatPost 400mm for Mountain Bike Road Bikes MTB BMX
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**Shop now:** [https://www.desertcart.kr/products/389910962-bike-seat-post-27-2mm-30-9mm-31-6mm-bicycle](https://www.desertcart.kr/products/389910962-bike-seat-post-27-2mm-30-9mm-31-6mm-bicycle)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-26*