---
product_id: 237483098
title: "25.4 31.8mm Bike Stem 60 85 Degrees Bicycle Handlebar Riser Fork Stem 1 1/8\" for Mountain Road Bike, MTB, BMX, Cycling"
brand: "triwonder"
price: "€ 34.92"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/237483098-25-4-31-8mm-bike-stem-60-85-degrees-bicycle
store_origin: IE
region: Ireland
---

# Adjustable 0°-60° angle for perfect posture Fits 28.6mm steerer & 31.8/25.4mm handlebars 6061 aluminum alloy - lightweight & durable 25.4 31.8mm Bike Stem 60 85 Degrees Bicycle Handlebar Riser Fork Stem 1 1/8" for Mountain Road Bike, MTB, BMX, Cycling

**Brand:** triwonder
**Price:** € 34.92
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate your ride, own the road with precision and style!

## Quick Answers

- **What is this?** 25.4 31.8mm Bike Stem 60 85 Degrees Bicycle Handlebar Riser Fork Stem 1 1/8" for Mountain Road Bike, MTB, BMX, Cycling by triwonder
- **How much does it cost?** € 34.92 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/237483098-25-4-31-8mm-bike-stem-60-85-degrees-bicycle)

## 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

- • **Effortless Installation:** Quick, tool-friendly setup ensures a stable, wobble-free connection in minutes.
- • **Customizable Riding Comfort:** Adjust stem angle up to 60° to optimize your cycling posture and reduce fatigue.
- • **Precision Fit for Every Ride:** Compatible with multiple handlebar sizes and steerer tubes for seamless integration.
- • **Versatility Meets Performance:** Perfect for mountain, road, and fixed gear bikes—upgrade your ride without compromise.
- • **Built to Last, Ride After Ride:** Crafted from corrosion-resistant 6061 aluminum alloy for lightweight strength and durability.

## Overview

The TRIWONDER Bike Stem is a lightweight, corrosion-resistant aluminum alloy component designed for mountain, road, and fixed gear bikes. It fits standard 28.6mm steerer tubes and 31.8mm or 25.4mm handlebars, offering adjustable angles from 0° to 60° for personalized comfort and control. Available in multiple lengths, it ensures quick installation and a stable, wobble-free ride.

## Description

TRIWONDER 25.4 31.8mm Bike Stem 60 85 Degrees Bicycle Handlebar Riser Fork Stem 1 1/8" for Mountain Road Bike, MTB, BMX, Cycling

## Features

- Compatibility: Fits steerer tube with a 28.6mm (1-1/8") diameter, and handlebars of 31.8mm (1-1/4") or 25.4mm (1"), Available in 90mm, 110mm, 120mm, 130mm
- Durable Material: Made from 6061 aluminum alloy, the bike stem is lightweight, corrosion-resistant and wear-resistant
- Adjustable: Adjust the stem angle between 0° and 60° to achieve your ideal posture for comfort and control, whether commuting or tackling long rides
- Quick Installation: Simply attach to your original front fork stem, adjust the angles, add spacers if needed, and tight all the bolts for a stable, wobble-free hold
- Versatile for Multiple Bikes: This bike handlebar stem is compatible with road bikes, fixed gear bikes, mountain bikes, and more (note: not for extreme downhill use)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Bike type | Mountain Bike |
| Color | 60° - Black |
| Size | 31.8 x 110mm |
| Material type | Aluminium |
| Sport | Cycling |
| Batteries included? | No |
| Brand | TRIWONDER |
| Manufacturer | TRIWONDER |
| Item model number | OS0908 |
| Product Dimensions | 12 x 2.54 x 0.1 cm; 340 g |
| ASIN | B08F7Q3WXL |

## Images

![25.4 31.8mm Bike Stem 60 85 Degrees Bicycle Handlebar Riser Fork Stem 1 1/8" for Mountain Road Bike, MTB, BMX, Cycling - Image 1](https://m.media-amazon.com/images/I/61nP6DbeeKL.jpg)

## Available Options

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

## Frequently Bought Together

- TRIWONDER Bike Stem 25.4 31.8 Adjustable 60 Degree 90mm 110mm 130mm Bike Handlebar Extender Stem Riser Bicycle Handle Bar Extensions for Mountain Bike, Road Bike, MTB, BMX, Cycling
- Bike Stem Riser Wake Bike Fork Stem Extender Bicycle Handlebar Raiser Head Up Adapter Suitable for Mountain Bike, Road Bike, MTB, BMX (Aluminium Alloy, Adjustable, Black)
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**Shop now:** [https://www.desertcart.ie/products/237483098-25-4-31-8mm-bike-stem-60-85-degrees-bicycle](https://www.desertcart.ie/products/237483098-25-4-31-8mm-bike-stem-60-85-degrees-bicycle)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-01-31*