---
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: "€ 8.14"
currency: EUR
in_stock: true
reviews_count: 8
category: "Azarxis"
url: https://www.desertcart.ie/products/327687235-azarxis-bike-seat-post-clamp-aluminum-alloy-quick-release-bicycle
store_origin: IE
region: Ireland
---

# Carbon Steel Screws - high tensile strength 45,000 PSI 6061 T6 Aluminum Alloy - ultra lightweight & durable Multi-Diameter Fit - 25.4mm to 34.9mm seat tube compatibility 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:** € 8.14
**Availability:** ✅ In Stock

## Summary

> 🚴‍♀️ Lock in Performance, Unlock Your Ride!

## 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?** € 8.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/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

- • **Rock-Solid Hold:** Carbon steel screws deliver a staggering 45,000 PSI tensile strength, ensuring your seatpost stays locked in place no matter the terrain.
- • **Featherlight Yet Fierce:** Crafted from aerospace-grade 6061 T6 aluminum alloy, it’s built to last without weighing you down.
- • **Tool-Free Quick Release:** Install or adjust effortlessly with a simple 4mm Allen key—no mechanic needed, no downtime.
- • **Precision Fit for Every Ride:** Choose from 25.4mm to 34.9mm clamps tailored to your bike frame for a flawless, secure grip.
- • **Ride with Confidence & Style:** Sleek black modern design that complements mountain, road, fixie, BMX, and folding bikes alike—because performance should look as good as it feels.

## Overview

The Azarxis Bike Seat Post Clamp is a premium, lightweight clamp made from durable 6061 T6 aluminum alloy with high-strength carbon steel screws rated at 45,000 PSI tensile strength. Designed for a precise fit across multiple seat tube diameters (25.4mm to 34.9mm), it offers easy installation with a 4mm Allen key and a sleek, modern black finish. Trusted by over 1,500 riders with a 4.6-star rating, this clamp guarantees secure seatpost stability for mountain, road, BMX, and folding bikes, 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)

## 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.ie/products/327687235-azarxis-bike-seat-post-clamp-aluminum-alloy-quick-release-bicycle](https://www.desertcart.ie/products/327687235-azarxis-bike-seat-post-clamp-aluminum-alloy-quick-release-bicycle)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-26*