---
product_id: 379516358
title: "TRIWONDER Stem Riser Adapter Aluminum Bike Fork Stem Quill Riser Extender Extension Road Mountain Bicycle Stem Head Up Raiser Handlebar Adapter"
brand: "triwonder"
price: "€ 17.79"
currency: EUR
in_stock: true
reviews_count: 13
category: "Triwonder"
url: https://www.desertcart.fi/products/379516358-triwonder-stem-riser-adapter-aluminum-bike-fork-stem-quill-riser
store_origin: FI
region: Finland
---

# 150mm Length - optimal handlebar height boost Threadless Conversion - easy quill to threadless upgrade 6061 Aluminum Alloy - durable & lightweight TRIWONDER Stem Riser Adapter Aluminum Bike Fork Stem Quill Riser Extender Extension Road Mountain Bicycle Stem Head Up Raiser Handlebar Adapter

**Brand:** triwonder
**Price:** € 17.79
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Rise Above the Rest – Upgrade Your Handlebar Game!

## Quick Answers

- **What is this?** TRIWONDER Stem Riser Adapter Aluminum Bike Fork Stem Quill Riser Extender Extension Road Mountain Bicycle Stem Head Up Raiser Handlebar Adapter by triwonder
- **How much does it cost?** € 17.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/379516358-triwonder-stem-riser-adapter-aluminum-bike-fork-stem-quill-riser)

## Best For

- triwonder enthusiasts

## Why This Product

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

## Key Features

- • **Elevate Your Ride:** Boost handlebar height by 150mm for superior comfort and control.
- • **Ride with Confidence:** Join thousands of cyclists upgrading their setup with a 4.6-star trusted adapter.
- • **Premium Aluminum Build:** Crafted from polished anodized 6061 aluminum alloy for strength without the weight.
- • **Seamless Compatibility:** Fits most bikes with 1-1/8” (28.6mm) threadless steerer tubes effortlessly.
- • **Quick & Tool-Friendly Installation:** Convert your classic quill stem to modern threadless setup in minutes.

## Overview

The TRIWONDER Stem Riser Adapter is a precision-engineered 6061 aluminum alloy extender that raises your bike’s handlebar height by 150mm. Designed for easy conversion from threaded quill stems to threadless setups, it fits most 1-1/8” (28.6mm) steerer tubes, delivering enhanced riding comfort and control. Trusted by thousands with a 4.6-star rating, this sleek black adapter combines durability, lightweight design, and effortless installation to elevate your cycling experience.

## Description

desertcart.com : TRIWONDER Stem Riser Adapter Aluminum Alloy Bike Fork Stem Quill Riser Extender Extension Road Mountain Bicycle Stem Head (Black, 22.2mm x 150mm) : Sports & Outdoors

Review: Great product - Arrived in a timely manner as advertised. Great product. Fit perfect
Review: Perfect addition - Perfect addition to use my current 1-1/8th stem on my classic mtb. The 25.4mm stem worked seamlessly. Important to note, bikes using a quil stem require a specific size quil diameter*

## Features

- ✅ Material - The quill stem converter is made of 6061 Aluminium Alloy With polished anodized finish
- ✅ Size - Base Diameter(Upper diameter): 1 1/8” (28.6mm); Steerer Tube Diameter: 22.2mm/25.4mm; Total Length: 150mm
- ✅ Raises the height of your handlebars by increasing the height of your bike stem
- ✅ Easy installation, converts a threaded quill stem setup to threadless
- ✅ Perfect for Most Bikes: The quill riser extender is suitable for most bike with 1-1/8''(28.6mm) threadless steerer

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B094CKZJGZ |
| Best Sellers Rank | #43,653 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #129 in Bike Handlebars, Headsets & Stems |
| Brand Name | TRIWONDER |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (844) |
| Date First Available | May 7, 2021 |
| Item Package Dimensions L x W x H | 6.89 x 2.76 x 1.5 inches |
| Manufacturer | TRIWONDER |
| Number of Items | 1 |
| Package Weight | 0.16 Kilograms |
| Part Number | 0919 |
| Size | 22,2 x 150 mm |

## Images

![TRIWONDER Stem Riser Adapter Aluminum Bike Fork Stem Quill Riser Extender Extension Road Mountain Bicycle Stem Head Up Raiser Handlebar Adapter - Image 1](https://m.media-amazon.com/images/I/51L3e0wu4tL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by S***L on January 14, 2026*

Arrived in a timely manner as advertised. Great product. Fit perfect

### ⭐⭐⭐⭐⭐ Perfect addition
*by S***I on October 16, 2025*

Perfect addition to use my current 1-1/8th stem on my classic mtb. The 25.4mm stem worked seamlessly. Important to note, bikes using a quil stem require a specific size quil diameter*

### ⭐⭐⭐⭐⭐ good product
*by G***. on December 14, 2025*

very good

## Frequently Bought Together

- TRIWONDER Stem Riser Adapter Aluminum Bike Fork Stem Quill Riser Extender Extension Road Mountain Bicycle Stem Head Up Raiser Handlebar Adapter
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**Shop now:** [https://www.desertcart.fi/products/379516358-triwonder-stem-riser-adapter-aluminum-bike-fork-stem-quill-riser](https://www.desertcart.fi/products/379516358-triwonder-stem-riser-adapter-aluminum-bike-fork-stem-quill-riser)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-11*