---
product_id: 327687235
title: "Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear"
brand: "azarxis"
price: "€ 13.20"
currency: EUR
in_stock: true
reviews_count: 8
category: "Azarxis"
url: https://www.desertcart.sk/products/327687235-azarxis-bike-seat-post-clamp-aluminum-alloy-quick-release-bicycle
store_origin: SK
region: Slovakia
---

# Precision fit for 28.6mm, 31.8mm, 34.9mm seat tubes Quick-release design with easy 4mm Allen key installation 6061 T6 aluminum alloy for ultra-lightweight strength Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear

**Brand:** azarxis
**Price:** € 13.20
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Lock in your ride, unlock your freedom!

## Quick Answers

- **What is this?** Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear by azarxis
- **How much does it cost?** € 13.20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/327687235-azarxis-bike-seat-post-clamp-aluminum-alloy-quick-release-bicycle)

## Best For

- azarxis enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Carbon steel screws combined with 45,000 PSI tensile strength guarantee long-lasting performance on any terrain.
- • **Ride with Confidence:** Backed by a 20-month Azarxis warranty, ensuring your investment is protected and reliable.
- • **Featherweight Durability:** Crafted from aerospace-grade 6061 T6 aluminum alloy for unmatched strength at just 9 grams.
- • **Swift Tool-Free Adjustments:** Quick-release mechanism lets you lock or release your seatpost in seconds with minimal effort.
- • **Precision Fit for Every Ride:** Available in multiple diameters ensuring a perfect match to your bike’s seat tube for zero slip.

## Overview

The Azarxis Bike Seat Post Clamp is a precision-engineered, lightweight aluminum alloy clamp designed to securely fasten seatposts ranging from 28.6mm to 34.9mm. Featuring a quick-release mechanism and high tensile strength carbon steel screws, it offers durability and easy installation with a 4mm Allen key. Perfect for mountain, road, BMX, and folding bikes, it ensures a snug fit and reliable performance backed by a 20-month warranty.

## Description

desertcart.com : Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear (Black, 31.8mm) : Sports & Outdoors

Review: Replaced a 25 year old clamp. Works fine. Looks good. - It's a seatpost clamp so not much to say, but it fits, works and looks good.
Review: Lightweight and strong - This is a strong, lightweight clamp. It's easy to install and grips well. I ride this bike hard, and the clamp has given me no trouble.

## Features

- Aluminium
- Includes 1 x 31.8mm bike seat post clamps
- Measurement Methods: The seatpost clamp should match the diameter of the seat tube on the frame, not the diameter of the seatpost itself
- High Quality: Lightweight 6061 T6 aluminum alloy, carbon steel screws, high strength
- Easy to Install: Simply secure with a 4mm Allen head key
- 25.4mm Seat Post Clamp: select by your frame seat tube outer diameter (22.2 mm); compatible with 25.4 mm seatposts
- 28.6mm Seat Post Clamp: select by your frame seat tube outer diameter (25.4 mm); compatible with 28.6 mm seatposts
- 31.8mm Seat Post Clamp: select by your frame seat tube outer diameter (27.2–28.6 mm); compatible with 31.8 mm seatposts
- 34.9mm Seat Post Clamp: select by your frame seat tube outer diameter (30.4–31.6 mm); compatible with 34.9 mm seatposts
- Note: Be sure to measure the actual seat tube outside diameter of your frame

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0921SR27V |
| Best Sellers Rank | #32,906 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #8 in Bike Seat Clamps |
| Brand | Azarxis |
| Brand Name | Azarxis |
| Color | #2 Black - Non Quick Release |
| Customer Reviews | 4.6 out of 5 stars 1,570 Reviews |
| Included Components | Bike Seat Clamp |
| Item Type Name | Bike Seat Clamp |
| Item Weight | 9 Grams |
| Manufacturer | Azarxis |
| Manufacturer Warranty Description | 🔔 Azarxis Guarantees: If there are any quality issues with our products, please feel free to contact us. We offer a 20-month seller guarantee |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | AZ-OS091112 |
| Style | Modern |
| Style Name | Modern |
| Tensile Strength | 45000 Pounds Per Square Inch |
| Unit Count | 1.0 Count |

## Product Details

- **Material:** Aluminum
- **Brand:** Azarxis
- **Color:** #2 Black - Non Quick Release
- **Style:** Modern
- **Item Weight:** 9 Grams
- **Tensile Strength:** 45000 PSI
- **Manufacturer:** Azarxis

## Images

![Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear - Image 1](https://m.media-amazon.com/images/I/51jbtrc1tFL.jpg)
![Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear - Image 2](https://m.media-amazon.com/images/I/714SJKzELxL.jpg)
![Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear - Image 3](https://m.media-amazon.com/images/I/71B5Jlzl4hL.jpg)
![Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear - Image 4](https://m.media-amazon.com/images/I/71IVVoVuyqL.jpg)
![Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear - Image 5](https://m.media-amazon.com/images/I/71QLlRsX8aL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Replaced a 25 year old clamp. Works fine. Looks good.
*by L***E on November 24, 2025*

It's a seatpost clamp so not much to say, but it fits, works and looks good.

### ⭐⭐⭐⭐⭐ Lightweight and strong
*by A***D on January 10, 2026*

This is a strong, lightweight clamp. It's easy to install and grips well. I ride this bike hard, and the clamp has given me no trouble.

### ⭐⭐⭐⭐⭐ Amazing and good quality
*by R***A on January 29, 2026*

I recommended it for sure

## Frequently Bought Together

- Azarxis Bike Seat Post Clamp Aluminum Alloy Quick Release Bicycle Seatpost Tube Tightener Clip 28.6mm, 31.8mm, 34.9mm for Mountain, Road, Fixie, Track, Folding, DH, MTB, BMX Bikes Gear (Black, 31.8mm)
- 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.sk/products/327687235-azarxis-bike-seat-post-clamp-aluminum-alloy-quick-release-bicycle](https://www.desertcart.sk/products/327687235-azarxis-bike-seat-post-clamp-aluminum-alloy-quick-release-bicycle)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-31*