---
product_id: 389752722
title: "1Pair Bike Handlebar Shim Bicycle Handlebar Stem Shim Handle Bar Adapter Reducer Aluminum Alloy Clamp Spacer Conversion Shims 25.4 to 31.8 MM Cycling Parts Components"
brand: "saipe"
price: "€ 13.76"
currency: EUR
in_stock: true
reviews_count: 8
category: "Saipe"
url: https://www.desertcart.pt/products/389752722-1pair-bike-handlebar-shim-bicycle-handlebar-stem-shim-handle-bar
store_origin: PT
region: Portugal
---

# Precision CNC anodized finish High-strength aluminum alloy Fits 25.4 to 31.8 mm handlebar conversion 1Pair Bike Handlebar Shim Bicycle Handlebar Stem Shim Handle Bar Adapter Reducer Aluminum Alloy Clamp Spacer Conversion Shims 25.4 to 31.8 MM Cycling Parts Components

**Brand:** saipe
**Price:** € 13.76
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your ride with precision and style — don’t get left behind!

## Quick Answers

- **What is this?** 1Pair Bike Handlebar Shim Bicycle Handlebar Stem Shim Handle Bar Adapter Reducer Aluminum Alloy Clamp Spacer Conversion Shims 25.4 to 31.8 MM Cycling Parts Components by saipe
- **How much does it cost?** € 13.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/389752722-1pair-bike-handlebar-shim-bicycle-handlebar-stem-shim-handle-bar)

## Best For

- saipe enthusiasts

## Why This Product

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

## Key Features

- • **Sleek CNC Precision:** Smooth, anodized edges add a polished, stylish look that elevates your bike’s aesthetic instantly.
- • **Enhanced Grip Safety:** Innovative wavy surface design boosts friction, ensuring your handlebar stays firmly in place on every ride.
- • **Lightweight Durability:** Crafted from corrosion-resistant aluminum alloy for long-lasting performance without the weight.
- • **Effortless Installation:** Quick, tool-free setup lets you upgrade your handlebar fit in seconds—no mechanic needed.
- • **Universal Compatibility:** Seamlessly adapts smaller 25.4 mm handlebars to oversized 31.8 mm stems, expanding your customization options.

## Overview

This 1Pair Bike Handlebar Shim is a lightweight, corrosion-resistant aluminum alloy adapter designed to convert 25.4 mm handlebars to fit 31.8 mm stems. Featuring a wavy anti-slip design and CNC anodized finish, it ensures secure installation and a sleek look, perfect for cycling enthusiasts seeking both performance and style.

## Description

Apply to:If your handlebar diameter is 25.4mm and the stem diameter is 31.8mm, then you can use "25.4 to 31.8MM" handlebar shim as a conversion.Description:1. Forged From High-Strength Aluminum Alloy, High Strength And Corrosion Resistance2. The product adopts corrugated design for better anti-skid3. This reducer allows you to use standard size handlebars of smaller diameter on a large shank.4. Great replacement gear accessories for bike cycling enthusiasts.Specification:Material: Aluminum alloySpecifications: 25.4 to 31.8mmColor: BlackQuantity: 1pairPackage includes:1pair x Bike Handlebar Conversion Shim

Review: Works fine! - Shims work better than tape!
Review: very good product - replaced the handlebars on my new ebike and needed this shim to make it fit.

## Features

- Material: Made of aluminium alloy material, very lightweight, not easy to rust or fade, corrosion resistant and sturdy
- Wavy Design: The wavy design on the surface not only does not damage the handlebars and stems, but also increases the friction of the product. Increase riding safety protection
- Styling: CNC cutting with smooth surface and edges; the surface is anodized with bright colors and luster, making your bike more cool and fashion
- Easy to install: Installation is simple and quick, directly buckled in the handlebar installation position
- Application: This reducer allows you to use smaller diameter standard size handlebars in an oversize stem. If your handlebar diameter is 25.4 mm and the stem diameter is 31.8 mm, then you can use "25.4 to 31.8 MM" handlebar shim as a conversion

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09KN6LDVB |
| Best Sellers Rank | #215,923 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #245 in Bike Stems |
| Bike Type | BMX Bike |
| Brand | Saipe |
| Brand Name | Saipe |
| Color | black |
| Customer Reviews | 4.4 out of 5 stars 294 Reviews |
| Included Components | NO |
| Item Type Name | No |
| Item Weight | 0.03 Kilograms |
| Manufacturer | Saipe |
| Manufacturer Warranty Description | NOT |
| Material | Aluminum |
| Material Type | Aluminum |

## Product Details

- **Brand:** Saipe
- **Color:** black
- **Item Weight:** 0.03 Kilograms
- **Manufacturer:** Saipe
- **Material:** Aluminum

## Images

![1Pair Bike Handlebar Shim Bicycle Handlebar Stem Shim Handle Bar Adapter Reducer Aluminum Alloy Clamp Spacer Conversion Shims 25.4 to 31.8 MM Cycling Parts Components - Image 1](https://m.media-amazon.com/images/I/61NVMKJ3Z2L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works fine!
*by R***A on September 29, 2025*

Shims work better than tape!

### ⭐⭐⭐⭐⭐ very good product
*by D***G on August 7, 2025*

replaced the handlebars on my new ebike and needed this shim to make it fit.

### ⭐⭐⭐⭐⭐ Delicate positioning
*by D***E on September 1, 2025*

Have to nudge them a bit to make symmetrical, but not that difficult.

## Frequently Bought Together

- Saipe 1Pair Bike Handlebar Shim Bicycle Handlebar Stem Shim Handle Bar Adapter Reducer Aluminum Alloy Clamp Spacer Conversion Shims 25.4 to 31.8 MM Cycling Parts Components
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**Shop now:** [https://www.desertcart.pt/products/389752722-1pair-bike-handlebar-shim-bicycle-handlebar-stem-shim-handle-bar](https://www.desertcart.pt/products/389752722-1pair-bike-handlebar-shim-bicycle-handlebar-stem-shim-handle-bar)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-22*