---
product_id: 207445320
title: "Bike Seatpost Clamp, CX-18 Aluminum Alloy 31.8mm Quick Release Road Bike Seatpost Clamp Bicycle Seat Post Clamp Mount for 27.2/28.6mm Seat Post"
brand: "keenso"
price: "7579 Ft"
currency: HUF
in_stock: true
reviews_count: 4
url: https://www.desertcart.hu/products/207445320-bike-seatpost-clamp-cx-18-aluminum-alloy-31-8mm-quick
store_origin: HU
region: Hungary
---

# Quick release design 31.8mm diameter Durable aluminum alloy Bike Seatpost Clamp, CX-18 Aluminum Alloy 31.8mm Quick Release Road Bike Seatpost Clamp Bicycle Seat Post Clamp Mount for 27.2/28.6mm Seat Post

**Brand:** keenso
**Price:** 7579 Ft
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate Your Ride with Style and Strength!

## Quick Answers

- **What is this?** Bike Seatpost Clamp, CX-18 Aluminum Alloy 31.8mm Quick Release Road Bike Seatpost Clamp Bicycle Seat Post Clamp Mount for 27.2/28.6mm Seat Post by keenso
- **How much does it cost?** 7579 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/207445320-bike-seatpost-clamp-cx-18-aluminum-alloy-31-8mm-quick)

## Best For

- keenso enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from premium aluminum alloy for ultimate durability.
- • **Peace of Mind:** 180-day warranty for worry-free cycling adventures.
- • **Color Your Ride:** Available in multiple colors to match your bike's vibe.
- • **Hassle-Free Setup:** Quick release mechanism for easy installation on any bike.
- • **Unmatched Compatibility:** Fits 27.2/28.6mm seat posts effortlessly.

## Overview

The CX-18 Aluminum Alloy Bike Seatpost Clamp is a versatile and durable accessory designed for road bikes, featuring a quick release mechanism for easy installation. With a 31.8mm inner diameter, it fits 27.2/28.6mm seat posts and comes in various colors, ensuring both functionality and style. Made from high-quality aluminum alloy, this clamp is built to withstand the rigors of cycling while providing a reliable and long-lasting performance.

## Description

Bike Seatpost Clamp, CX-18 Aluminum Alloy 31.8mm Quick Release Road Bike Seatpost Clamp Bicycle Seat Post Clamp Mount for 27.2/28.6mm Seat Post  ★ Made of high quality aluminum alloy, this product is durable and rustproof. ★ 31.8mm seat post clamp applies to 27.2/28.6mm seat post. ★ Quick release design, easy to install and use. ★ Several colors for you to choose and you can choose according to your own needs. ★ It's a great accessory for any style of bike.  Specification: Condition: 100% Brand New Item Type: Seatpost Clamp Material: Aluminum Alloy Optional Color: Black, Red, Titanium Size: Approx. 6.5 * 4.8cm / 2.6 * 1.9inch Inner Diameter: Approx. 31.8mm / 1.3inch Weight: Approx. 41g / 1.4oz  Package List: 1 * Seatpost Clamp

## Features

- 【Fitment】: The road bike 31.8mm seat post clamp has high practicality, which can be applies to 27.2/28.6mm seat post. Size: approx. 6.5 * 4.8cm / 2.6 * 1.9inch; inner diameter: approx. 31.8mm / 1.3inch.
- 【Great Accessory】: The road bicycle seat post clamp with high reliability and stable performance. And there are several colors for you to choose, you can choose according to your own needs.
- 【Premium Quality】: This 100% brand new seatpost clamp is made of high quality aluminum alloy material, which is sturdy, durable and rustproof. It is not easily damaged and deformed, has reliable quality and ensures high strength for long lasting usage.
- 【Easy Installation】: The bicycle seatpost clamp adopts quick release design, it is a great accessory for any style of bike, which is easy to install and use.
- 【Guarantee】: Our product have 180 days warranty, if you have any question about this bike seat post clamp, please feel free to contact us, we will try our best to help you solve your problem.

## Images

![Bike Seatpost Clamp, CX-18 Aluminum Alloy 31.8mm Quick Release Road Bike Seatpost Clamp Bicycle Seat Post Clamp Mount for 27.2/28.6mm Seat Post - Image 1](https://m.media-amazon.com/images/I/51vtqKqE3AL.jpg)
![Bike Seatpost Clamp, CX-18 Aluminum Alloy 31.8mm Quick Release Road Bike Seatpost Clamp Bicycle Seat Post Clamp Mount for 27.2/28.6mm Seat Post - Image 2](https://m.media-amazon.com/images/I/51Pv7DZopfL.jpg)
![Bike Seatpost Clamp, CX-18 Aluminum Alloy 31.8mm Quick Release Road Bike Seatpost Clamp Bicycle Seat Post Clamp Mount for 27.2/28.6mm Seat Post - Image 3](https://m.media-amazon.com/images/I/61CkgYWbM6L.jpg)
![Bike Seatpost Clamp, CX-18 Aluminum Alloy 31.8mm Quick Release Road Bike Seatpost Clamp Bicycle Seat Post Clamp Mount for 27.2/28.6mm Seat Post - Image 4](https://m.media-amazon.com/images/I/51LvEWskz3L.jpg)
![Bike Seatpost Clamp, CX-18 Aluminum Alloy 31.8mm Quick Release Road Bike Seatpost Clamp Bicycle Seat Post Clamp Mount for 27.2/28.6mm Seat Post - Image 5](https://m.media-amazon.com/images/I/61zaWEsmC9L.jpg)

## Available Options

This product comes in different **Colour Name** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Dood
  

*by E***H on Reviewed in the United Kingdom 🇬🇧 on 4 November 2020*

Does the  job

### ⭐ 







  
  
    Not as described
  

*by M***J on Reviewed in the United Kingdom 🇬🇧 on 19 August 2021*

Yes this is a quick release seat post but the description is incorrect and it is sized at 31.8mm not at 28.6mm as in the description. So I could not use it for my project and had to return

### ⭐ 







  
  
    Snapped on tightening
  

*by R***E on Reviewed in the United Kingdom 🇬🇧 on 24 April 2021*

Snapped as soon as I tightened it.

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**Shop now:** [https://www.desertcart.hu/products/207445320-bike-seatpost-clamp-cx-18-aluminum-alloy-31-8mm-quick](https://www.desertcart.hu/products/207445320-bike-seatpost-clamp-cx-18-aluminum-alloy-31-8mm-quick)

---

*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-26*