Technical sheet

Cube Performance stem

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6 Reviews

16 Questions

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Size

Long

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Features of Cube Performance

Product description of Cube Performance stem

Description summary

Upgrade your ride with the CUBE Performance Stem. Crafted from 3D-forged aluminum, this stem offers exceptional stiffness and a secure four-point clamp for precise, responsive steering on both MTB and road bikes. Its robust construction ensures reliable control and efficient power transfer. Designed to seamlessly integrate with CUBE E-Bikes, it maintains your bike´s sleek aesthetic. Experience enhanced handling and confidence with this essential cockpit upgrade

CUBE Performance Stem | Precision Control for MTB & Road Cycling

Elevate your ride and unlock superior handling with the CUBE Performance Stem, the ultimate upgrade for your bike´s cockpit. Engineered for discerning cyclists who demand reliability and precision, this high-quality aluminum stem provides the perfect connection between you and your bike, enhancing control on demanding trails and long road rides alike. Its robust construction and intelligent design ensure every movement of your handlebars translates into immediate, responsive steering action, giving you the confidence to push your limits.

The CUBE Performance Stem is a masterpiece of engineering, crafted from 3D-forged aluminum. This advanced manufacturing process results in a component that is exceptionally strong and stiff, eliminating flex under load for more efficient power transfer and pinpoint accuracy in your steering. Whether you´re navigating technical singletrack on your MTB or sprinting for the finish line on your road bike, this stem provides the unwavering stability you need. The secure, four-point clamp design distributes pressure evenly across the handlebar, ensuring a slip-free grip without damaging sensitive carbon bars, providing both security and peace of mind.

Optimized for E-Bikes and CUBE Aesthetics

Designed with the complete CUBE ecosystem in mind, this stem is not just a component; it´s an integral part of your bike´s design. For electric bike enthusiasts, the CPS-E stem fits perfectly to your E-Bike to replace the standard used CPS-E with 12°and speaks the same design language, ensuring a seamless and visually integrated upgrade that maintains your bike´s sleek, factory appearance.

Key Features:

* 3D-Forged Aluminium Construction: Delivers an outstanding strength-to-weight ratio, providing exceptional torsional stiffness and long-lasting durability for both MTB and Road Cycling.
* Secure Four-Point Clamp: Guarantees an even and secure hold on your 31.8 mm handlebars, preventing any slippage while protecting the bar from excessive clamping forces.

Technical Specifications:

* Material: High-Grade Aluminium 6061
* Handlebar Clamp Diameter: 31.8 mm
* Angle: 35°
* Length: 70 mm
* Weight: 247 g

Specifications

Manual

Technical specifications of Cube Performance

Features of Cube Performance

Color Black

Color

Black

Recommended Use MTB Cycling

Recommended Use

MTB Cycling

Road Cycling

Materials Aluminum

Materials

Aluminum

Key differentiators

Constructed from 3D-forged aluminum for stiffness and durability.

Optimized to aesthetically integrate with Cube E-Bikes.

Secure four-bolt clamp for 31.8 mm handlebars prevents slippage.

Versatile design suitable for both MTB and road cycling.

Technology in Cube Performance stem

Energy rating

Warnings

5 / 5

6 Reviews

What our customers are saying about Cube Performance stem

Praised for its high quality, robust build, and stability, this genuine Cube replacement stem is a great value. It offers easy assembly and a perfect fit, ideal for models like the Cube Stereo Hybrid. The design is both attractive and functional, elevating the riding position to provide enhanced security and confidence on technical descents. It´s a top-quality original part that fully meets expectations

Fantastic power

2024/10/15

Oscar

It's great, easy to put together and very stable.

Stuurpen Cube

2024/06/01

Cyriel

Pen heeft de lengte die ik heb besteld, voldoet volkomen aan de verwachtingen

Robust and pretty

2023/10/24

Iñaki

Robust and pretty. It also elevates the position and provides security on technical descents.

Original cube spare part

2023/09/30

Claudio Marchi

Taken from 70mm and mounted in place of the 50mm one. Perfect assembly, original piece. Fast delivery without problems, well done!

Nice

2023/09/27

Franck

Delivered at expected time, nice price and cube quality… top

Super

2023/06/26

Giovanni

Great original replacement stem for my cube stereo hybrid 140 wich was originally equipped with the same stem in a shorter size. Great quality for a good price!

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Include AI Generated questions and answers

2026-10-31

Generated by AI and verified

What are the main benefits of the Cube Performance Stem?

Answer of Generated by AI and verified

The Cube Performance Stem is designed to provide precise, responsive steering and reliable control. Its 3D-forged aluminum construction offers exceptional stiffness for efficient power transfer, while the secure four-bolt clamp ensures your handlebar stays firmly in place. It's also optimized to aesthetically integrate with CUBE E-Bikes.

* Generated by AI based on customer and product data

2026-10-31

Generated by AI and verified

Is this stem suitable for different types of bikes?

Answer of Generated by AI and verified

Yes, the Cube Performance Stem is designed for use on both MTB (mountain bikes) and road bikes. It is also specifically optimized to integrate seamlessly with CUBE E-Bikes.

* Generated by AI based on customer and product data

2026-10-31

Generated by AI and verified

Is the Cube Performance Stem worth the investment for cyclists?

Answer of Generated by AI and verified

The Cube Performance Stem is crafted from 3D-forged aluminum, offering exceptional stiffness and precise steering control, making it a valuable upgrade for both MTB and road cyclists.

* Generated by AI based on customer and product data

2026-10-31

Generated by AI and verified

What material is the Cube Performance Stem made from?

Answer of Generated by AI and verified

This stem is crafted from 3D-forged aluminum, which provides a balance of stiffness and strength.

* Generated by AI based on customer and product data

2026-10-31

Generated by AI and verified

What is the handlebar clamp diameter for this stem?

Answer of Generated by AI and verified

The Cube Performance Stem has a handlebar clamp diameter of 31.8 mm.

* Generated by AI based on customer and product data

2026-10-31

Generated by AI and verified

What is the length of this bicycle stem?

Answer of Generated by AI and verified

This Cube Performance Stem has a length of 70 mm.

* Generated by AI based on customer and product data

2026-10-31

Generated by AI and verified

What type of clamp does this stem use?

Answer of Generated by AI and verified

This stem utilizes a secure four-bolt clamp design to evenly distribute pressure and hold the handlebar firmly.

* Generated by AI based on customer and product data

2026-10-31

Generated by AI and verified

What is the stem length of the Cube Performance Stem?

Answer of Generated by AI and verified

The Cube Performance Stem has a stem length of 70 mm, providing a balance between control and comfort.

* Generated by AI based on customer and product data

2026-10-31

Generated by AI and verified

Is this stem a good choice for an E-Bike?

Answer of Generated by AI and verified

Yes, this stem is specifically optimized for E-Bikes. It is designed to fit perfectly and maintain the sleek aesthetic of CUBE E-Bikes.

* Generated by AI based on customer and product data

2026-10-31

Generated by AI and verified

Can I use this stem for both road cycling and mountain biking?

Answer of Generated by AI and verified

Yes, the robust construction and design of the Cube Performance Stem make it suitable for the demands of both road cycling and mountain biking, providing reliable control and responsive steering.

* Generated by AI based on customer and product data

2026-10-31

Generated by AI and verified

What handlebar diameter is this stem compatible with?

Answer of Generated by AI and verified

This stem is designed for handlebars with a clamp area diameter of 31.8 mm. Please ensure your handlebar matches this specification for a proper and secure fit.

* Generated by AI based on customer and product data

2026-10-31

Generated by AI and verified

How does the Cube Performance Stem compare to the Cube One22 / One44 / One55 Stem?

Answer of Generated by AI and verified

While specific specs for the Cube One22 / One44 / One55 Stem are not available, the Cube Performance Stem is known for its robust 3D-forged aluminum construction and optimized design for E-Bikes.

* Generated by AI based on customer and product data

2023-07-12

Yann

Hello, what is the inclination of this stem? It says 35deg in the drop down menu but also 12deg in the specs... I am absolutely looking for this part with a 35 inclination (ref. Cube Item 8021) in 70mm length. Can you please confirm that this is the correct one? THANKS

Answer of Jean-Paul

Hello I bought the 80 mm (axis to axis and not total length): the inclination is as shown in the photo, i.e. 12°. Cordially

* Generated by AI based on customer and product data

2026-07-16

maxim

What is the mounting height to the stem?

Answer of erickson

Very good finish! It has a clamping height to the fork steerer tube (what is technically called stack height or clamping height) of 40 mm .

* Generated by AI based on customer and product data

2024-06-13

Miguel

Good morning, in the description of the article it says the following: The CPS-E stem adapts perfectly to your E-Bike to replace the standard CPS-E used with 12° and speaks the same design language. Is it specific for a specific frame model or can I mount it on my MTB? The handlebar diameter is the same, but where the spider cover goes it has a recess and mine is flush... Greetings.

Answer of Juan Luis

Good morning, Let´s see, I acquired it because it was the original one that my ebike came with, a Cube Stereo Hybrid 120 625 Pro from 2021, but I don´t know if it could be mounted on another model, it has a very specific base with an unusual shape. The only thing I did was remove the two rings so that it would go down more and not have such an upright posture.

Answer of Kristian

I think this handlebar mount can be installed on all kinds of bikes.

Answer of Oscar

You will have to leave it a little lower so that the lid fits properly. They are about 4 mm. That is to say, it looks flush 4 mm less and it looks great.

* Generated by AI based on customer and product data

2023-04-09

Chris

Is this item black or silver?

Answer of Ralf

Hello, the stem is black.

* Generated by AI based on customer and product data

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Frequently bought together

Best sellers

Use cases

Upgrading E-Bikes 90% Fit

This stem is specifically optimized for the demands of E-Bikes, making it a reliable upgrade for riders looking to enhance control and integrate components that match CUBE's design language.

Optimized for E-Bikes,Aluminum construction,Four-bolt clamp

Road Cycling & Commuting 80% Fit

With a standard 31.8 mm clamp diameter and durable aluminum construction, this stem offers solid, reliable performance for regular road cyclists and commuters seeking a dependable component for their daily rides.

31.8 mm clamp diameter,Aluminum material,70 mm length

Custom Bike Builds with CUBE Components 85% Fit

For cyclists building or upgrading a bike with other CUBE parts, this stem is an ideal choice as it's designed to match the brand's aesthetics, ensuring a cohesive and stylish look.

Optimized for CUBE Aesthetics,Aluminum construction,Four-bolt bar clamp

Improving Steering Responsiveness 75% Fit

The 70 mm length provides a balance of stability and quick handling, making it a great all-rounder for riders looking to achieve a more responsive feel without sacrificing control on their road or hybrid bike.

70 mm stem length,Four-bolt bar clamp,Aluminum construction

Best for

A Solid Upgrade for Regular Riders

This stem is an excellent choice for riders seeking improved steering and a more optimized posture. Made from durable aluminum with a secure four-bolt clamp, it provides a noticeable enhancement in control and ride security. It's specifically optimized to integrate with CUBE bike aesthetics, making it a great all-rounder for those who ride frequently.

Based on: material: aluminum, Bar clamp type: four-bolt, Special feature: Optimized for E-Bikes and CUBE Aesthetics, Enhanced Ride Security, Optimized Riding Posture

Ideal for E-Bike Optimization

This stem is a great fit as it's specifically optimized for the demands of E-Bikes. The strong aluminum construction and secure four-bolt clamp design provide the necessary stiffness and security for confident handling, while also offering a clean, integrated look with CUBE bicycles.

Based on: special_feature: Optimized for E-Bikes and CUBE Aesthetics, Material: aluminum, Bar clamp type: four-bolt, Enhanced Ride Security

For Precision Steering & Control

Designed for precision, this stem offers a direct and responsive connection to your front wheel. The 70 mm length and robust aluminum build contribute to solid performance, allowing you to navigate turns and terrain with greater accuracy. The four-bolt clamp ensures your handlebar stays securely in place.

Based on: Precision Steering Control, Material: aluminum, Stem length: 70 mm, Bar clamp type: four-bolt

Best for CUBE Bike Customization

This stem is the perfect choice for riders who want to maintain a seamless look, as it's optimized to match CUBE's design language. Beyond its stylish integration, the aluminum construction and 31.8 mm clamp diameter offer a reliable and balanced performance upgrade.

Based on: special_feature: Optimized for E-Bikes and CUBE Aesthetics, Brand: cube, Clamp diameter: 31.8 mm, Stylish Design & Craftsmanship

Benefits

FunctionalExperience Precise and Responsive Steering

Engineered for immediate steering response, this stem ensures every movement of your handlebars translates directly into action. The 3D-forged aluminum construction provides exceptional stiffness, giving you the confidence for precise handling on both technical MTB trails and open road rides.

Material: aluminum

FunctionalRide with Confidence and Peace of Mind

The secure four-point clamp design distributes pressure evenly across the handlebar, ensuring a slip-free grip. This provides a stable and secure connection to your handlebars, boosting rider confidence and peace of mind during demanding rides.

Bar clamp type: four-bolt

FunctionalMaintain Your Bike's Sleek Look

Designed to integrate perfectly with the CUBE ecosystem, this stem maintains your bike's sleek, factory appearance. It is specifically optimized to match the design language of CUBE E-Bikes, ensuring a visually seamless upgrade.

Special feature: Optimized for E-Bikes and CUBE Aesthetics

Ideal buyer profiles

General buyers seeking an E-Bike optimized stem

This buyer is looking to upgrade or replace the stem on their bicycle, with a particular focus on components that are optimized for the demands of E-Bikes. They value a secure connection, precise steering, and a design that complements their bike's appearance, especially if it's a CUBE model.

The Cube Performance Stem is an excellent choice because it is specifically optimized for E-Bikes and designed to match CUBE's aesthetics. Its durable aluminum construction and four-bolt clamp design provide a secure and reliable connection for handlebars with a 31.8 mm clamp diameter, ensuring enhanced ride security and control.

Competitive features

When choosing a new stem for your bike, key factors include material, dimensions, and compatibility. The Cube Performance Stem is a 3D-forged aluminum stem designed for both MTB and road bikes. Let's see how it stacks up against other options like the Cube One22/One44/One55, Bbb Highsix, Ergotec Hake, and Rfr stems.

Where it excels

Constructed from aluminum, this stem is specifically optimized to integrate seamlessly with the aesthetics of CUBE E-Bikes, a feature not specified for the other models. It features a secure four-bolt bar clamp, designed to provide stiffness and responsive steering. With a 70 mm length and a 31.8 mm clamp diameter, it offers a standard fit for many modern handlebars.

Consider alternatives if...

Verdict

The Cube Performance Stem is a solid choice for cyclists looking to upgrade their cockpit, particularly those riding CUBE bikes. Its aluminum construction and four-bolt clamp are designed for reliable control and stiffness. Given its specific optimization for CUBE E-Bikes, it's an excellent option for riders who prioritize a cohesive look and proven integration with their existing CUBE setup.

Specs comparison

	Cube Performance stem	Cube One22 / One44 / One55 Stem	Cube E-bike Fpi Link Faceplater 35 Mm Stem
Material	aluminum	aluminum	aluminum
Clamp Diameter	31.8 mm	31.8 mm	35.0 mm
Stem Length	70 mm	40 mm	-

Specs vs competitors

	Cube Performance stem	Ergotec High Charisma 31.8 Mm Stem	Controltech Estro Stem	Ergotec High Pike 2 28.6 Mm Stem	Protap 3d Forge Stem	Ergotec High Charisma Ahead 28.6 Mm Stem
Material	aluminum	aluminum	aluminum	aluminum	aluminum	aluminum
Clamp Diameter	31.8 mm	31.8 mm	31.8 mm	28.6 mm	31.8 mm	31.8 mm
Bar Clamp Type	four-bolt	four-bolt	-	four-bolt	four-bolt	-
Stem Length	70 mm	50 mm	100 mm	-	-	90 mm