---
product_id: 521289397
title: "CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/130/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle"
brand: "cxwxc"
price: "€ 58.76"
currency: EUR
in_stock: false
reviews_count: 13
url: https://www.desertcart.de/products/521289397-cxwxc-adjustable-mtb-stem-31-8mm-70-degree-90-110
store_origin: DE
region: Germany
---

# Adjustable length: 90-145mm 3D forged aluminum alloy Angle range: -70° to +70° CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/130/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle

**Brand:** cxwxc
**Price:** € 58.76
**Availability:** ❌ Out of Stock

## Summary

> 🚵‍♂️ Elevate your ride, conquer every trail in comfort and control!

## Quick Answers

- **What is this?** CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/130/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle by cxwxc
- **How much does it cost?** € 58.76 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/521289397-cxwxc-adjustable-mtb-stem-31-8mm-70-degree-90-110)

## 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

- • **Built to Last:** 3D forged aluminum alloy ensures lightweight strength and durability under pressure.
- • **Tailor Your Ride:** Adjust stem length and angle for perfect ergonomic fit during long rides.
- • **Effortless Installation:** Four-bolt clamp design secures your handlebar quickly and reliably.
- • **Ride in Comfort & Style:** Optimize posture to reduce hand fatigue and back strain, making every ride smoother.
- • **Universal Compatibility:** Fits standard 31.8mm handlebars and 28.6mm fork stems for MTB, road, and city bikes.

## Overview

The CXWXC Adjustable MTB Stem is a precision-engineered handlebar riser made from durable 3D forged aluminum alloy. Offering adjustable lengths from 90 to 145mm and a wide angle range of -70° to +70°, it allows cyclists to customize their handlebar position for optimal comfort and control. Compatible with 31.8mm handlebars and 28.6mm fork stems, this stem is ideal for mountain, road, and city bikes. Easy to install with a secure four-bolt clamp, it’s designed to enhance posture, reduce fatigue, and elevate your riding experience.

## Description

Shop CXWXC 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). Free delivery and returns on all eligible orders.

Review: Improves cycling posture and hand position. - Brilliant. Instant relief, taking the pressure off my hands and improving my sitting/cycling position. I bought 90mm and set it to 45 degrees. Easy to install.
Review: it works well - it helps with visability and not getting a sore back as you can sit upright not hunched over

## 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 |
| Batteries included? | No |
| Best Sellers Rank | 75,732 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 119 in Cycling Stems |
| Bike type | Mountain Bike |
| Color | 31.8 x 145mm |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,608) |
| Date First Available | 8 Aug. 2021 |
| Item model number | XT-AS822 |
| Manufacturer | CXWXC |
| Material type | Aluminium |
| Product Dimensions | 3.18 x 3.18 x 14.5 cm; 340 g |
| Size | 31.8 x 145mm |

## Product Details

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

## Images

![CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/130/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle - Image 1](https://m.media-amazon.com/images/I/61G4+A7Z+tL.jpg)
![CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/130/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle - Image 2](https://m.media-amazon.com/images/I/61YaAYZ7ESL.jpg)
![CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/130/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle - Image 3](https://m.media-amazon.com/images/I/61rVPBtWbuL.jpg)
![CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/130/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle - Image 4](https://m.media-amazon.com/images/I/71Rjo7e5u0L.jpg)
![CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/130/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle - Image 5](https://m.media-amazon.com/images/I/71XaKG9jm0L.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 .

## Customer Reviews

### ⭐⭐⭐⭐⭐ Improves cycling posture and hand position.
*by C***O on 16 November 2025*

Brilliant. Instant relief, taking the pressure off my hands and improving my sitting/cycling position. I bought 90mm and set it to 45 degrees. Easy to install.

### ⭐⭐⭐⭐⭐ it works well
*by A***E on 4 October 2025*

it helps with visability and not getting a sore back as you can sit upright not hunched over

### ⭐⭐⭐⭐⭐ My long stuff
*by M***. on 21 July 2025*

Got the bike out the shed to try cycling to 2 miles to work, being 6'3" and mostly all leg, when my saddle was set correctly, my handle bar position became to low, I cycled everywhere looking like I was going downhill on the Tour De France.....this little gizmo, saved the day, raised my handle bars up enough so I could ride in a more comfortable upright position, easy to fit yourself, just need some Allen keys...order the spacers aswell incase you need them, then return them if you don't. I didnt , so had to wait another day for them to come. Feels well made and sturdy..

## 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.de/products/521289397-cxwxc-adjustable-mtb-stem-31-8mm-70-degree-90-110](https://www.desertcart.de/products/521289397-cxwxc-adjustable-mtb-stem-31-8mm-70-degree-90-110)

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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-01-29*