---
product_id: 362672476
title: "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 90mm)"
brand: "cxwxc"
price: "€ 41.97"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/362672476-adjustable-mtb-stem-31-8mm-70-degree-90-110-145mm
store_origin: PT
region: Portugal
---

# Four Bolt Clamp: Secure Fit Adjustable Angle: -70° to +70° Lightweight: 10.2 oz 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 90mm)

**Brand:** cxwxc
**Price:** € 41.97
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate Your Ride: Comfort Meets Performance!

## Quick Answers

- **What is this?** 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 90mm) by cxwxc
- **How much does it cost?** € 41.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/362672476-adjustable-mtb-stem-31-8mm-70-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

- • **Durable Design:** Crafted from 3D forged aluminum alloy for strength and longevity.
- • **Comfort Redefined:** Transform your ride with adjustable height and reach for ultimate comfort.
- • **Easy Installation:** Quickly connects to your bike's front fork with a simple four-bolt clamp.
- • **Perfect for All Riders:** Ideal for MTB enthusiasts and casual riders alike, enhancing your biking experience.
- • **Universal Compatibility:** Fits 31.8mm handlebars and 28.6mm forks, making it versatile for various bikes.

## Overview

The CXWXC Adjustable MTB Stem is a versatile bike stem designed for comfort and performance. With adjustable lengths of 90, 110, and 145mm and an angle range of -70° to +70°, it allows riders to customize their handlebar height and reach. Made from durable 3D forged aluminum alloy, this lightweight stem is easy to install and compatible with a variety of bicycles, making it perfect for both serious mountain bikers and casual riders.

## Description

Sponsored Ad - 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 90mm)

## 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 |
|---------------|-------|
| Product Dimensions | 1.25"W x 3.54"H |
| Manufacturer | CXWXC |
| Item Weight | 10.2 ounces |
| Item model number | XT-AS822 |
| Manufacturer Part Number | XT-AS822 |

## Product Details

- **Color:** C: 31.8 x 90mm
- **Item Weight:** 0.29 Kilograms
- **Material:** Aluminum
- **Brand:** CXWXC
- **Bike Type:** Mountain Bike

## Images

![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 90mm) - Image 1](https://m.media-amazon.com/images/I/71BG2ufxhSL.jpg)

## Available Options

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

## Frequently Bought Together

- 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 90mm)
- 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)
- ROCKBROS Bike Seat Comfort Bike Saddle Mountain Bicycle Accessories for Men Women Soft Wide Bike Seat Cushion Dual Shock Absorbing with Reflective Strip

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pt/products/362672476-adjustable-mtb-stem-31-8mm-70-degree-90-110-145mm](https://www.desertcart.pt/products/362672476-adjustable-mtb-stem-31-8mm-70-degree-90-110-145mm)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-01-23*