---
product_id: 105773089
title: "Am Seatpost Shim Adapter for 27.2mm to 28.6/30.0/30.4/30.8/31.6/33.9mm 25.4mm to 28.6/27.2/31.6mm 31.8mm to 34.9mm 28.6mm to 31.8mm"
brand: "am"
price: "€ 17.53"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.ie/products/105773089-am-seatpost-shim-adapter-for-27-2mm-to-28-6
store_origin: IE
region: Ireland
---

# Precision fit for multiple diameters Versatile size compatibility Lightweight at 15g Am Seatpost Shim Adapter for 27.2mm to 28.6/30.0/30.4/30.8/31.6/33.9mm 25.4mm to 28.6/27.2/31.6mm 31.8mm to 34.9mm 28.6mm to 31.8mm

**Brand:** am
**Price:** € 17.53
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate Your Ride with Seamless Adaptability!

## Quick Answers

- **What is this?** Am Seatpost Shim Adapter for 27.2mm to 28.6/30.0/30.4/30.8/31.6/33.9mm 25.4mm to 28.6/27.2/31.6mm 31.8mm to 34.9mm 28.6mm to 31.8mm by am
- **How much does it cost?** € 17.53 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/105773089-am-seatpost-shim-adapter-for-27-2mm-to-28-6)

## Best For

- am enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Fit:** Achieve a snug fit for your bike with precision engineering.
- • **Sleek Aesthetic:** Available in a clean design that complements any bike setup.
- • **Ultra-Light Design:** Weighing only 15 grams, this shim won't weigh you down.
- • **Transform Your Ride:** Easily convert seatpost diameters from 27.2mm to a range of sizes including 28.6mm, 30.0mm, and more!
- • **Durable Construction:** Crafted by AM, ensuring long-lasting performance and reliability.

## Overview

The AM Seatpost Shim Adapter allows for easy conversion of seatpost diameters, accommodating a variety of sizes from 27.2mm to 33.9mm. Weighing just 15 grams, this lightweight and durable shim is designed for precision fit and enhanced performance, making it an essential accessory for any cycling enthusiast.

## Description

Am Seatpost Shim Adapter for 27.2mm to 28.6/30.0/30.4/30.8/31.6/33.9mm 25.4mm to 28.6/27.2/31.6mm 31.8mm to 34.9mm 28.6mm to 31.8mm

## Features

- The shim could covert your size diameter 27.2mm to 28.6/30.0/30.4/31.6/30.8/33.9mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | 27.2--28.6mm |
| Batteries included? | No |
| Brand | am |
| Manufacturer | AM |
| Package Dimensions | 8.9 x 4.2 x 4 cm; 15 Grams |
| ASIN | B07GGGDCRL |

## Images

![Am Seatpost Shim Adapter for 27.2mm to 28.6/30.0/30.4/30.8/31.6/33.9mm 25.4mm to 28.6/27.2/31.6mm 31.8mm to 34.9mm 28.6mm to 31.8mm - Image 1](https://m.media-amazon.com/images/I/61+n0FKltLL.jpg)

## Available Options

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

## Questions & Answers

**Q: Sorry, i have a trike which would i need to make a 26 fit a 22 pipe**
A: You can’t size down and you can only shim size up. You a new seat post.

**Q: which is the right one to choose for a 31.6 diameter bike?**
A: Hi,
If you wan to buy the shim you can choose 27.2--31.6MM.
If you want to buy the seatpost you can choose 31.6MM directly.
Thanks!

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    25.4 -27.2 shim
  

*by Y***! on Reviewed in the United Kingdom on 21 August 2021*

Good quality, arrived fast. Very precise dimensions. Does the job.

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    Expensive IMO
  

*by P***R on Reviewed in the United Kingdom on 28 July 2019*

The product works well but I think it's expensive for what it is

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Perfect
  

*by B***6 on Reviewed in the United Kingdom on 8 September 2020*

Works perfectly added to my new dropper post.

---

## 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.ie/products/105773089-am-seatpost-shim-adapter-for-27-2mm-to-28-6](https://www.desertcart.ie/products/105773089-am-seatpost-shim-adapter-for-27-2mm-to-28-6)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-01*