---
product_id: 388759957
title: "Adjustable MTB Stem 31.8mm 85 Degree - 90/110/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle (31.8 x 145mm)"
brand: "cxwxc"
price: "269.99 DT"
currency: TND
in_stock: true
category: "Cxwxc"
url: https://www.desertcart.tn/products/388759957-adjustable-mtb-stem-31-8mm-85-degree-90-110-145mm
store_origin: TN
region: Tunisia
---

# Adjustable length: 90-145mm Angle adjustable: -70° to +70° 3D forged aluminum alloy Adjustable MTB Stem 31.8mm 85 Degree - 90/110/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle (31.8 x 145mm)

**Brand:** cxwxc
**Price:** 269.99 DT
**Availability:** ✅ In Stock

## Summary

> 🚵‍♂️ Elevate your ride, own every trail with precision and style!

## Quick Answers

- **What is this?** Adjustable MTB Stem 31.8mm 85 Degree - 90/110/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle (31.8 x 145mm) by cxwxc
- **How much does it cost?** 269.99 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/388759957-adjustable-mtb-stem-31-8mm-85-degree-90-110-145mm)

## Best For

- cxwxc enthusiasts

## Why This Product

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

## Key Features

- • **Precision Engineering:** Crafted from durable 3D forged aluminum alloy for unmatched strength and lightweight performance.
- • **Universal Compatibility:** Designed specifically for 31.8mm handlebars and 28.6mm fork stems, fitting most mountain, road, and city bikes.
- • **Dynamic Angle Adjustment:** Customize your riding posture with a versatile -70° to +70° stem angle range.
- • **Quick & Secure Installation:** Four-bolt clamp ensures your handlebar stays locked in place, so you can focus on the trail ahead.
- • **Tailored Fit for Every Ride:** Easily tweak handlebar height and reach for ultimate comfort during long rides or intense MTB sessions.

## Overview

The CXWXC Adjustable MTB Stem offers a customizable handlebar height and reach with lengths from 90 to 145mm and an adjustable angle range of -70° to +70°. Made from robust 3D forged aluminum alloy, it ensures durability and lightweight strength. Compatible with 31.8mm handlebars and 28.6mm fork stems, this stem is perfect for mountain, road, and city bikes, delivering a secure fit with a four-bolt clamp design.

## Description

Adjustable stems are a useful way of tweaking your handlebar height and reach, particularly for touring where you spend long hours in the saddle. This bike stem is ready to give the rider the strength and power to maximize their skills and performance.

## Features

- NOTE: PLEASE CONFIRM YOUR SIZE BEFORE YOUR PURCHASE. 90, 110 130 and 145mm are not the total long of the stem.
- 【Ideal Stem for Rider】: Can't get comfortable on your bike? Tried too many bike stems? This adjustable stems are a useful way of tweaking your handlebar height and reach, particularly for touring where you spend long hours in the saddle. Our adjustable stem is the best bet to get comfortable
- 【Compatibility】: Only Fit for Handlebar diameter 31.8mm (1-1/4''), front fork stem diameter 28.6mm (1-1/8") and is available in a range of lengths – 90, 110 and 145mm.
- 【Material】: The MTB stem is manufactured with a 3D Forged alloy construction that gives strength and control. The durability of this stem is very adjustable with an angle of (-70°to +70°)
- 【Easy to Install】: Just connect up the original front fork stem. Four bolt bar clamp holds bar securely in position
- 【Suitable for Most Bike】: Our bike stems are suited to a wide variety of bicycles, and also to the different types of riders. Ideal for MTB racing and those who take their off road biking very seriously.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09C4JFPJY |
| Best Sellers Rank | #25,601 in Sporting Goods ( See Top 100 in Sporting Goods ) #16 in Bike Stems |
| Bike Type | Mountain Bike |
| Brand Name | CXWXC |
| Color | A: 31.8 x 145mm |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,094) |
| Item Diameter | 31.8 Millimeters |
| Item Dimensions W x H | 32W x 145H millimeters |
| Item Weight | 0.34 Kilograms |
| Manufacturer | CXWXC |
| Manufacturer Part Number | XT-AS822 |
| Material Type | Aluminum |
| Model Number | XT-AS822 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** CXWXC
- **Colour:** A: 31.8 x 145mm
- **Item weight:** 0.34 Kilograms
- **Material:** Aluminum
- **Product dimensions:** 32W x 145H millimeters

## Images

![Adjustable MTB Stem 31.8mm 85 Degree - 90/110/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle (31.8 x 145mm) - Image 1](https://m.media-amazon.com/images/I/61G4+A7Z+tL.jpg)

## Questions & Answers

**Q: Is it sturdy enough for an ebike?**
A: Yes

**Q: Will this fit my 2006 trek sl 1000 road bike ? i wanted the 145 mm**
A: If the steer tube on your TREK SL 1000 is 31.8 mm in diameter it will fit

**Q: Will it work on a carbon fork with a compression plug for support?**
A: I have nonidea lol...it fits on.m.y bike...seems universal. Idk

**Q: What is the distance between the handlebar clamp bolts horizontally?**
A: The distance center - center, 1 and 5/8’s .

## Frequently Bought Together

- CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle (31.8 x 145mm)
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**Shop now:** [https://www.desertcart.tn/products/388759957-adjustable-mtb-stem-31-8mm-85-degree-90-110-145mm](https://www.desertcart.tn/products/388759957-adjustable-mtb-stem-31-8mm-85-degree-90-110-145mm)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-22*