---
product_id: 451298796
title: "Aluminum Alloy Bicycle Seatpost 100mm"
brand: "ganopper"
price: "€ 18.52"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/451298796-aluminum-alloy-bicycle-seatpost-100mm
store_origin: IT
region: Italy
---

# 100mm Length CNC Machined Durable Alloy Aluminum Alloy Bicycle Seatpost 100mm

**Brand:** ganopper
**Price:** € 18.52
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate Your Cycling Experience with Seamless Adjustability!

## Quick Answers

- **What is this?** Aluminum Alloy Bicycle Seatpost 100mm by ganopper
- **How much does it cost?** € 18.52 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/451298796-aluminum-alloy-bicycle-seatpost-100mm)

## Best For

- ganopper enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from high-quality 6061 aluminum alloy for unmatched durability.
- • **Lightweight Design:** Weighing only 0.02 kg, it won’t weigh you down on your rides.
- • **Transform Your Ride:** Easily convert your seat post diameter for a perfect fit.
- • **Precision Engineering:** CNC machining ensures a flawless texture and anti-rust properties.
- • **Universal Compatibility:** Fits a wide range of bicycles including MTB, BMX, and road bikes.

## Overview

The GANOPPER 100mm Long Seatpost Shim is a versatile adapter designed to convert various seat post diameters, ensuring compatibility with most bicycles. Made from high-quality 6061 aluminum alloy, this shim is both durable and lightweight, making it an essential accessory for cyclists looking to enhance their riding experience without the hassle of purchasing a new seat post.

## Description

Aluminum Alloy Bicycle Seatpost 100mm

## Features

- Feature:Use this seatpost adapter, 25.4 mm Seat Post can be converted to 26.6/26.4/26.8 seatpost,seatpost shim can help you change the bicycle seat tube outer diameter to meet your needs
- Material: 25.4 Bike Seatpost shim is made of high quality 6061 aluminum alloy, CNC machining CD texture surface ,anti-rust and durable
- Size: 26.6 to 25.4 seatpost shim. Length: 100mm.
- Tips: Please check your bike frame seat tube outside diameter. Measure the inside diameter of your old clamp. Or measure the outside diameter of your seat tube (on your bike frame). Then make a right choice. - - -Because of hollow design，In the process of transportation are squeezed may be out of shape，Please kindly exchange one
- Application: seatpost reducing sleeve shim matches well with most bicycles, such as MTB ,BMX ,Fixed Gear bike,mountain bike, road bike, city bike and more, you can easily adjust the diameter of the bicycle seat post, eliminating the trouble of repurchasing the bike seatpost.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 4.02 x 1.61 x 1.54 inches |
| Package Weight | 0.02 Kilograms |
| Brand Name | GANOPPER |
| Color | Black |
| Material | Aluminum |
| Manufacturer | GANOPPER |
| Part Number | GNPSM254266 |
| Size | 25.4 I.D./26.6 O.D. |
| Sport Type | Cycling |

## Images

![Aluminum Alloy Bicycle Seatpost 100mm - Image 1](https://m.media-amazon.com/images/I/71xxR7CseML.jpg)
![Aluminum Alloy Bicycle Seatpost 100mm - Image 2](https://m.media-amazon.com/images/I/71fEWc9tf4L.jpg)
![Aluminum Alloy Bicycle Seatpost 100mm - Image 3](https://m.media-amazon.com/images/I/71Zu0mlYmcL.jpg)
![Aluminum Alloy Bicycle Seatpost 100mm - Image 4](https://m.media-amazon.com/images/I/71bcin+2gEL.jpg)
![Aluminum Alloy Bicycle Seatpost 100mm - Image 5](https://m.media-amazon.com/images/I/71ml635UYzL.jpg)

## Available Options

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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.it/products/451298796-aluminum-alloy-bicycle-seatpost-100mm](https://www.desertcart.it/products/451298796-aluminum-alloy-bicycle-seatpost-100mm)

---

*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-05-12*