---
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: "฿4173"
currency: THB
in_stock: true
reviews_count: 6
category: "Cxwxc"
url: https://www.desertcart.co.th/products/388759957-adjustable-mtb-stem-31-8mm-85-degree-90-110-145mm
store_origin: TH
region: Thailand
---

# Adjustable length: 90/110/145mm 3D forged aluminum alloy for strength & durability Angle range: -70° to +70° for perfect fit 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:** ฿4173
**Availability:** ✅ In Stock

## Summary

> 🚵‍♂️ Elevate your ride, conquer 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?** ฿4173 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/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

- • **Built to Last:** 3D forged aluminum alloy construction ensures lightweight strength and durability
- • **Precision Fit:** Compatible with 31.8mm handlebars and 28.6mm fork stems for seamless integration
- • **Tailor Your Ride:** Easily tweak handlebar height and reach for all-day comfort and control
- • **Versatile Angling:** Adjustable angle from -70° to +70° lets you customize your riding posture
- • **Quick & Secure Installation:** Four-bolt clamp design guarantees a firm, wobble-free handlebar hold

## Overview

The CXWXC Adjustable MTB Stem offers professional-grade customization with its 90, 110, and 145mm length options and a wide -70° to +70° angle adjustment. Crafted from durable 3D forged aluminum alloy, it fits standard 31.8mm handlebars and 28.6mm fork stems, delivering a secure, lightweight, and comfortable upgrade for mountain, road, and city bikes.

## 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.

Review: احببته
Review: Cette potence tient bien le coup après 1 an, très bon produit .

## 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 | #72,679 in Sporting Goods ( See Top 100 in Sporting Goods ) #59 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 (1,053) |
| 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)

## Available Options

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

## 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

### ⭐⭐⭐⭐⭐ Review
*by M***M on 21 April 2022*

احببته

### ⭐⭐⭐⭐⭐ Review
*by F***D on 8 January 2026*

Cette potence tient bien le coup après 1 an, très bon produit .

### ⭐⭐⭐⭐⭐ Review
*by J***E on 5 October 2025*

Buenas cualidades

## 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)
- LITEONE Bike Stem Riser Bike Fork Stem Extender Bicycle Handlebar Raiser Head Up Adapter Suitable for Mountain Bike, Road Bike, MTB, BMX, Fixie (Aluminium Alloy, Adjustable, Black)
- Comfortable Seat Cushion for Men Women with Dual Shock Absorbing Ball Memory Foam Waterproof Wide Bicycle Saddle Fit for Road Bikes

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**Shop now:** [https://www.desertcart.co.th/products/388759957-adjustable-mtb-stem-31-8mm-85-degree-90-110-145mm](https://www.desertcart.co.th/products/388759957-adjustable-mtb-stem-31-8mm-85-degree-90-110-145mm)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-27*