---
product_id: 549274037
title: "Seatpost Clamp, Aluminum Alloy 34.9mm Seat Post Clamp Quick Release Seatpost Clamp for Mountain Bike, Road Bike(black)"
brand: "keenso"
price: "¥1724"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/549274037-seatpost-clamp-aluminum-alloy-34-9mm-seat-post-clamp-quick
store_origin: JP
region: Japan
---

# Quick release mechanism 34.9mm precision fit Durable aluminum alloy Seatpost Clamp, Aluminum Alloy 34.9mm Seat Post Clamp Quick Release Seatpost Clamp for Mountain Bike, Road Bike(black)

**Brand:** keenso
**Price:** ¥1724
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Seatpost Clamp, Aluminum Alloy 34.9mm Seat Post Clamp Quick Release Seatpost Clamp for Mountain Bike, Road Bike(black) by keenso
- **How much does it cost?** ¥1724 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/549274037-seatpost-clamp-aluminum-alloy-34-9mm-seat-post-clamp-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

- • **Sleek & Stylish:** Available in classic black with a smooth finish that complements any bike aesthetic.
- • **Lightweight Strength:** Crafted from premium aluminum alloy, combining durability with a featherlight 20g weight.
- • **Precision Engineering:** Perfectly fits seatposts sized 30.4mm to 31.6mm for a secure, wobble-free ride.
- • **Effortless Installation:** Quick release design ensures fast, tool-free seatpost adjustments on the go.
- • **Universal Compatibility:** Fits most aluminum frame bikes including mountain and road bikes with a 34.9mm clamp diameter.

## Overview

The Keenso 34.9mm aluminum alloy seatpost clamp offers a robust, lightweight solution for securing your bike seatpost. Designed for quick release and easy installation, it fits a range of seatpost sizes and is compatible with most aluminum frame mountain and road bikes. Its durable construction ensures long-lasting performance while maintaining a sleek, minimalist look.

## Description

Seatpost Clamp, Aluminum Alloy 34.9mm Seat Post Clamp Quick Release Seatpost Clamp for Mountain Bike, Road Bike(black)

## Features

- [Wide Applications]: The 34.9mm seatpost clamp is very practical, which is suitable for most types of aluminum frame bikes, like mountain bike, road bike, etc.
- [Easy to Install]: The bike seatpost clamp adopts simple and convenient design, which is easy and quick to install.
- [34.9mm Inner Diameter]: The inner diameter of the bicycle seatpost clamp is 34.9mm, which fits for 30.4/30.8/31.6mm bike seat post.
- [Premium Aluminium Alloy Material]: This 100% brand new bike seat post clamp is made of high quality aluminium alloy material, which is smooth, lightweight, durable and wear-resistant. It is not easy to break, has reliable quality and ensures high strength for long term use.
- [Product Specifications]: Item type: bicycle accessory; material: aluminium alloy; optional color: black, red, blue, gold, ; diameter: 34.9mm / 1.4inch; fit for: 30.4/30.8/31.6mm seat post(the bicycle should be aluminum frame); weight: approx. 25g.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Keenso |
| Part number | Keenso9inxdr03zy665-01 |
| Item Weight | 20 g |
| Product Dimensions | 1 x 1 x 1 cm; 20 g |
| Manufacturer reference | Keenso9inxdr03zy665-01 |
| Color | Black |
| Style | Simple |
| Material | Aluminum |
| Item Package Quantity | 1 |
| Batteries Required? | No |

## Product Details

- **Material:** Aluminum
- **Brand:** Keenso
- **Item dimensions L x W x H:** 10 x 10 x 10 millimeters
- **Colour:** Black
- **Style:** Simple

## Images

![Seatpost Clamp, Aluminum Alloy 34.9mm Seat Post Clamp Quick Release Seatpost Clamp for Mountain Bike, Road Bike(black) - Image 1](https://m.media-amazon.com/images/I/61Jg+pO961L.jpg)

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**Shop now:** [https://www.desertcart.jp/products/549274037-seatpost-clamp-aluminum-alloy-34-9mm-seat-post-clamp-quick](https://www.desertcart.jp/products/549274037-seatpost-clamp-aluminum-alloy-34-9mm-seat-post-clamp-quick)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-29*