---
product_id: 384556392
title: "TRIWONDER Bike Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm Aluminum 350mm Length Alloy Saddle Pole Bike Seatpost Seat Tube Bicycle Seat Post"
brand: "triwonder"
price: "₨359"
currency: SCR
in_stock: true
reviews_count: 13
category: "Triwonder"
url: https://www.desertcart.sc/products/384556392-triwonder-bike-seat-post-25-4mm-27-2mm-28-6mm
store_origin: SC
region: Seychelles
---

# 350mm length for versatile fit Fits 6 diameters from 25.4mm to 31.6mm 6061 aluminum alloy, lightweight & rustproof TRIWONDER Bike Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm Aluminum 350mm Length Alloy Saddle Pole Bike Seatpost Seat Tube Bicycle Seat Post

**Brand:** triwonder
**Price:** ₨359
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate your ride with precision and style — don’t get left behind!

## Quick Answers

- **What is this?** TRIWONDER Bike Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm Aluminum 350mm Length Alloy Saddle Pole Bike Seatpost Seat Tube Bicycle Seat Post by triwonder
- **How much does it cost?** ₨359 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/384556392-triwonder-bike-seat-post-25-4mm-27-2mm-28-6mm)

## Best For

- triwonder enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Installation:** Swap your old seat post in minutes with a simple bolt-on design—no mechanic needed.
- • **Universal Compatibility:** Engineered to fit road, mountain, BMX, and electric bikes—join the ride revolution.
- • **Durable Yet Featherlight:** Crafted from premium 6061 aluminum alloy with anodized finish to resist rust and corrosion.
- • **Optimized Length for Control:** 350mm length balances comfort and performance for the professional rider on the go.
- • **Precision Fit for Every Ride:** Choose from six diameters to perfectly match your bike frame and saddle setup.

## Overview

The TRIWONDER Bike Seat Post is a 350mm long, lightweight, and corrosion-resistant seatpost made from 6061 aluminum alloy. Available in six diameters (25.4mm to 31.6mm), it offers universal compatibility with most bike types including road, mountain, BMX, and e-bikes. Designed for easy installation and durability, it ensures a secure fit and enhanced riding comfort for professionals and enthusiasts alike.

## Description

desertcart.com : TRIWONDER Bike Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm Aluminum 350mm Length Alloy Saddle Pole Bike Seatpost Seat Tube Bicycle Seat Post (Black, 25.4mm) : Sports & Outdoors

Review: TRIWONDER Suspension Bike Seat - The TRIWONDER Suspension Bike Seat works great. It was simple to remove my old seat post and install the TRIWONDER. It does a great job absorbing the bumps as you ride. It can be adjusted to any weight rider up to 400 pounds but I did not adjust it at all. It even comes with the allen wrench. I installed mine on an ebike (Electric Bike)) but it would have worked just as well on any bike. Pros: 1. Works great. Very satisfied. 2. Simple to install in a few minutes. 3. Adjustable to any weight up to 400 pounds. 4. Fits perfectly. 5. Lightweight but strong aluminum will never rust. 6. Good quality 7. I recommend it and would buy it again. Cons: None Notes: 1. Make sure you order the right diameter and length. 2. You will need a crescent or socket wrench to remove your seat saddle clamps and re-attach. 3. Some of the reviews are for completely different products made by TRIWONDER. 4. This review is for the TRIWONDER Suspension Bike Seat.
Review: Perfect Fit! - This did turn my 28mm to an 31.8mm fit post for my ebike. Just what I needed. Thought I was gonna have to buy an whole new Seat Post. I can't find one as short as the 250mm one I've got, that's why this seat post adaptor is perfect! Don't push it all the way down tho or the seat adaptor won't catch to the post.

## Features

- ✅ SIZE - Length: 13.8" (350 mm); Diameter: 25.4mm/27.2mm/28.6mm/30.4mm/30.8mm/31.6mm; Thickness of the tube: 0.08" (2 mm)
- ✅ MATERIAL - Bike seatpost made of 6061 aluminum alloy, light weight and durable. Polished anodized finish, never rust
- ✅ EASY TO INSTALL - Just unbolt your old seat and remove your seat post then bolt on your seat to your new seat post and install it into your bike frame
- ✅ UNIVERSAL FIT - Suitable for most road bike, fixed gear bicycle, mountain bikes, downhill bike, track bike, MTB, BMX, DH, etc
- ✅ ATTENTION - Please measure the correct diameter required before buying. Saddle clamp is not included, only suitable for bicycle saddles with clamp

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B093T3PT38 |
| Best Sellers Rank | #13,609 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 in Bike Seat Posts |
| Brand Name | TRIWONDER |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,969) |
| Date First Available | April 30, 2021 |
| Item Dimensions LxWxH | 1 x 1 x 13.78 inches |
| Item Package Dimensions L x W x H | 15 x 1.73 x 1.02 inches |
| Manufacturer | TRIWONDER |
| Package Weight | 0.16 Kilograms |
| Part Number | 0920 |
| Size | 25.4mm |

## Product Details

- **Brand:** TRIWONDER
- **Color:** 01 Black
- **Item Weight:** 0.16 Kilograms
- **Material:** Aluminum
- **Product Dimensions:** 1"W x 13.78"H

## Images

![TRIWONDER Bike Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm Aluminum 350mm Length Alloy Saddle Pole Bike Seatpost Seat Tube Bicycle Seat Post - Image 1](https://m.media-amazon.com/images/I/41aquQgAMVL.jpg)
![TRIWONDER Bike Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm Aluminum 350mm Length Alloy Saddle Pole Bike Seatpost Seat Tube Bicycle Seat Post - Image 2](https://m.media-amazon.com/images/I/61J6gGNvdIL.jpg)
![TRIWONDER Bike Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm Aluminum 350mm Length Alloy Saddle Pole Bike Seatpost Seat Tube Bicycle Seat Post - Image 3](https://m.media-amazon.com/images/I/61Ly17EczHL.jpg)
![TRIWONDER Bike Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm Aluminum 350mm Length Alloy Saddle Pole Bike Seatpost Seat Tube Bicycle Seat Post - Image 4](https://m.media-amazon.com/images/I/71DLTR2h4HL.jpg)
![TRIWONDER Bike Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm Aluminum 350mm Length Alloy Saddle Pole Bike Seatpost Seat Tube Bicycle Seat Post - Image 5](https://m.media-amazon.com/images/I/71Ib2WllT9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ TRIWONDER Suspension Bike Seat
*by S***R on July 12, 2024*

The TRIWONDER Suspension Bike Seat works great. It was simple to remove my old seat post and install the TRIWONDER. It does a great job absorbing the bumps as you ride. It can be adjusted to any weight rider up to 400 pounds but I did not adjust it at all. It even comes with the allen wrench. I installed mine on an ebike (Electric Bike)) but it would have worked just as well on any bike. Pros: 1. Works great. Very satisfied. 2. Simple to install in a few minutes. 3. Adjustable to any weight up to 400 pounds. 4. Fits perfectly. 5. Lightweight but strong aluminum will never rust. 6. Good quality 7. I recommend it and would buy it again. Cons: None Notes: 1. Make sure you order the right diameter and length. 2. You will need a crescent or socket wrench to remove your seat saddle clamps and re-attach. 3. Some of the reviews are for completely different products made by TRIWONDER. 4. This review is for the TRIWONDER Suspension Bike Seat.

### ⭐⭐⭐⭐⭐ Perfect Fit!
*by T***T on November 12, 2025*

This did turn my 28mm to an 31.8mm fit post for my ebike. Just what I needed. Thought I was gonna have to buy an whole new Seat Post. I can't find one as short as the 250mm one I've got, that's why this seat post adaptor is perfect! Don't push it all the way down tho or the seat adaptor won't catch to the post.

### ⭐⭐⭐⭐⭐ Works great, inexpensive.
*by D***. on December 23, 2025*

Does exactly what it's meant to do, at a reasonable price. Was able to fit a seatpost, and it's rock solid with no reason to worry. Just make sure to use the proper lubricant for your situation, so nothing ends up seizing.

## Frequently Bought Together

- TRIWONDER Bike Seat Post 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm Aluminum 350mm Length Alloy Saddle Pole Bike Seatpost Seat Tube Bicycle Seat Post
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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-11*