---
product_id: 379516358
title: "TRIWONDER Bike Stem Riser Adapter 150mm, 28.6mm Quill Stem Converter"
brand: "triwonder"
price: "€ 17.21"
currency: EUR
in_stock: true
category: "Triwonder"
url: https://www.desertcart.hr/products/379516358-triwonder-bike-stem-riser-adapter-150mm-28-6mm-quill-stem
store_origin: HR
region: Croatia
---

# 150mm precise height boost Threaded to threadless conversion 6061 aluminum alloy durability TRIWONDER Bike Stem Riser Adapter 150mm, 28.6mm Quill Stem Converter

**Brand:** triwonder
**Price:** € 17.21
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Rise Above the Rest – Upgrade Your Ride, Upgrade Your Life!

## Quick Answers

- **What is this?** TRIWONDER Bike Stem Riser Adapter 150mm, 28.6mm Quill Stem Converter by triwonder
- **How much does it cost?** € 17.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/379516358-triwonder-bike-stem-riser-adapter-150mm-28-6mm-quill-stem)

## 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 Comfort:** Raise your handlebars by 150mm for an upright, strain-free posture that turns every ride into a breeze.
- • **Lightweight Yet Rock-Solid:** Crafted from premium 6061 aluminum alloy with a polished anodized finish for lasting strength without the bulk.
- • **Secure & Simple Installation:** Top hex bolt design with recommended 5N·m torque ensures a rock-steady handlebar setup every time.
- • **Precision Fit for Versatility:** Designed to fit 28.6mm upper diameter and steerer tubes of 22.2mm or 25.4mm, compatible with city, MTB, road, and commuter bikes.
- • **Seamless Quill to Threadless Upgrade:** Effortlessly convert your classic quill stem to a modern 1-1/8" threadless system—no bike swap needed.

## Overview

The TRIWONDER Bike Stem Riser Adapter is a 150mm quill stem converter made from durable 6061 aluminum alloy. It raises handlebar height for improved riding posture and comfort, converting traditional threaded quill stems to modern 1-1/8" threadless systems. Compatible with multiple bike types, it features a secure hex bolt installation and fits steerer tubes of 22.2mm or 25.4mm, making it a versatile upgrade for cyclists seeking ergonomic enhancement.

## Description

desertcart.com : TRIWONDER Bike Stem Riser Adapter 150mm, 28.6mm Quill Stem Converter | 6061 Aluminum Alloy, Fits 22.2mm Steerer Tubes, Converts Threaded Quill Stem, Raises Handlebar Height for MTB Bikes : Sports & Outdoors

## Features

- Improve Riding Comfort: Raises your handlebar position by adding height to the stem setup, helping create a more upright riding posture and reducing unnecessary bending during daily rides or longer cycling trips
- Strong 6061 Aluminum Construction: Made from high-strength 6061 aluminum alloy with a polished anodized finish, providing a lightweight and durable structure for reliable long-term use
- Accurate Size Compatibility: Designed with a 1-1/8" (28.6mm) upper diameter and available in 22.2mm or 25.4mm steerer tube options. Total length measures 150mm for added height adjustment
- Threaded To Threadless Conversion: Converts a traditional threaded quill stem setup to fit a 1-1/8" threadless steerer system, allowing riders to upgrade their handlebar position with ease
- Secure Installation: Features a top hex bolt installation design with a recommended tightening torque of 5N·m. Compatible with city bikes, mountain bikes (MTB), road bikes, and commuter bikes requiring a quill stem conversion

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B094CKZJGZ |
| Best Sellers Rank | #23,757 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #104 in Bike Handlebars, Headsets & Stems |
| Brand Name | TRIWONDER |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (936) |
| Date First Available | May 7, 2021 |
| Included Components | Stem |
| Item Package Dimensions L x W x H | 6.5 x 2.87 x 1.18 inches |
| Manufacturer | TRIWONDER |
| Material | Aluminum |
| Model Name | Quill Stem Adapter |
| Number of Items | 1 |
| Package Weight | 0.17 kg |
| Part Number | 0919 |
| Size | 22,2 x 150 mm |
| Suggested Users | unisex_adult |
| Warranty Description | 18-Month Warranty |

## Images

![TRIWONDER Bike Stem Riser Adapter 150mm, 28.6mm Quill Stem Converter - Image 1](https://m.media-amazon.com/images/I/51L3e0wu4tL.jpg)

## Available Options

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

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.hr/products/379516358-triwonder-bike-stem-riser-adapter-150mm-28-6mm-quill-stem](https://www.desertcart.hr/products/379516358-triwonder-bike-stem-riser-adapter-150mm-28-6mm-quill-stem)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-20*