---
product_id: 65473053
title: "Ritchey Adjustable Stem 4 Axis 31.8 mm BB Black"
brand: "ritchey"
price: "¥21008"
currency: JPY
in_stock: true
reviews_count: 1
url: https://www.desertcart.jp/products/65473053-ritchey-adjustable-stem-4-axis-31-8-mm-bb-black
store_origin: JP
region: Japan
---

# 90-120mm length options 4-axis adjustable precision 3D-Net forged aluminum strength Ritchey Adjustable Stem 4 Axis 31.8 mm BB Black

**Brand:** ritchey
**Price:** ¥21008
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your ride with precision-tuned adjustability — because your bike deserves the best!

## Quick Answers

- **What is this?** Ritchey Adjustable Stem 4 Axis 31.8 mm BB Black by ritchey
- **How much does it cost?** ¥21008 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/65473053-ritchey-adjustable-stem-4-axis-31-8-mm-bb-black)

## Best For

- ritchey enthusiasts

## Why This Product

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

## Key Features

- • **Dial-in Your Perfect Ride:** ±55° height adjustability for ultimate ergonomic control
- • **Sleek, Stealthy BB Black Finish:** Minimalist design that complements any high-performance bike setup
- • **Tailored Lengths for Every Style:** Available in 90, 105, and 120mm to match your unique cycling posture
- • **Engineered for Strength & Lightness:** 3D-Net forged shaft and broached clamp deliver unmatched durability at just 281g
- • **Precision Fit for Pro-Level Performance:** 31.8mm bar clamp diameter with 42.5mm width ensures rock-solid handlebar grip

## Overview

The Ritchey Adjustable Stem 4 Axis 31.8 mm BB Black is a lightweight, ultra-strong aluminum stem featuring a 3D-Net forged shaft and precision broached clamp. Offering ±55° height adjustability and multiple length options (90, 105, 120mm), it ensures a perfect ergonomic fit for serious cyclists seeking both performance and style.

## Description

Ritchey Adjustable Stem 4 Axis 31.8 mm BB Black

## Features

- The Ritchey Adjustable 4-Axis Stem features a precision 3D-Net shaped forged shaft interconnected with a precision broached clamp to create the strongest, lightest, most secure adjustable stem available. DIal-in the perfect height for your bars!
- Lengths: 90, 105, 120mm.
- Angle:+/-55-degree range of height adjustability.
- Bar clamp diameter: 31.8mm. Bar clamp width: 42.5mm.
- Steerer diameter: 1-1/8" (28.6mm). Steerer height: 40mm.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product dimensions | 32W x 90H millimetres |
| Manufacturer | Ritchey |
| UPC | 796941316903 |
| Global Trade Identification Number | 00796941316903 |
| Color | BB Black |
| Size | 90mm |
| Style | 4-Axis |
| Team | Ritchey |
| Weight | 281 g |
| Material type | Aluminium |
| Number of items | 1 |
| Outer material | Aluminum |
| Seasons | continuity |
| Sport | Cycling |
| Included components | Stem |
| Batteries included? | No |
| Department | Unisex |
| Item model number | RT31035317009 |
| ASIN | B016DCNEEC |

## Product Details

- **Colour:** BB Black
- **Item weight:** 228 Grams
- **Material:** Aluminium
- **Brand:** Ritchey
- **Bike type:** Road Bike

## Images

![Ritchey Adjustable Stem 4 Axis 31.8 mm BB Black - Image 1](https://m.media-amazon.com/images/I/51e22ljHSiL.jpg)

## Available Options

This product comes in different **Item display length** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality stem
*by U***R on 25 May 2023*

Nice quality stem well finished & a nice clamping design,you get what you pay for. Ritchey is expensive for a reason.

## Frequently Bought Together

- Ritchey, 4-Axis Adjustable Stem
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- Sumind 11 Pieces Bike Carbon Fiber Headset Spacer Bicycle 1-1/8 Inch 20 15 10 5 3 2 1 mm, 7 Size

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**Shop now:** [https://www.desertcart.jp/products/65473053-ritchey-adjustable-stem-4-axis-31-8-mm-bb-black](https://www.desertcart.jp/products/65473053-ritchey-adjustable-stem-4-axis-31-8-mm-bb-black)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-19*