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Deda Zero 1 31.7 mm stem
Deda

Deda Zero 1 31.7 mm stem

Price without code 22.99

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8 Reviews

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Features of Deda Zero 1 31.7 mm

Product description of Deda Zero 1 31.7 mm stem

Description summary

Upgrade your road bike´s cockpit with the DEDA Zero 1 31.7mm stem. Crafted from lightweight 6061 aluminum using a 3D forging process, it offers exceptional stiffness for precise steering and efficient power transfer. Its classic 82° angle promotes an aggressive yet comfortable riding position. Featuring a secure 31.7mm handlebar clamp and a sleek Black on Black finish, this stem adds professional-level performance and Italian style to your ride. Experience a more connected and agile feel with every pedal stroke

DEDA Zero 1 31.7mm Stem: Precision Steering for Road Cycling

Elevate your road cycling experience with the DEDA Zero 1 31.7mm Stem, an essential component for any rider seeking the perfect balance of performance, reliability, and sleek Italian style. Engineered by DEDA-ELEMENTI, a brand synonymous with professional-level quality, the Zero 1 stem is the ideal upgrade for your bike´s cockpit. Designed specifically for the demands of road cycling, this stem provides a direct and responsive connection between you and the road, allowing for confident handling, precise cornering, and efficient power transfer, whether you´re climbing a steep grade or sprinting for the finish line.

The primary benefit of the DEDA Zero 1 lies in its exceptional stiffness-to-weight ratio. By utilizing an innovative 3D forging process, this aluminum stem is crafted into a single, robust piece that minimizes flex under load, ensuring that every ounce of your effort translates into forward momentum. This construction results in a lightweight yet incredibly durable component that enhances your bike´s overall performance without adding unnecessary weight. The result is a ride that feels more connected, agile, and reactive to your every input. The classic 82° angle allows you to achieve an aggressive yet sustainable riding position, optimizing both aerodynamics and comfort for long days in the saddle.

Key features of the DEDA Zero 1 stem are centered on rider-focused engineering. Its iconic 31.7mm handlebar clamp diameter is a DEDA-ELEMENTI standard, designed to create a secure and stable interface with compatible handlebars for an unyielding front-end assembly. The sleek, modern aesthetics, highlighted by the sophisticated Black on Black (BoB) finish, allow the stem to integrate seamlessly with any bike build, adding a touch of understated class. The two-piece faceplate design ensures a simple and secure installation, making handlebar adjustments or swaps quick and hassle-free. As a core part of the DEDA steering wheel and handlebar attachments family, the Zero 1 stem is your gateway to a pro-level cockpit setup, delivering performance you can feel with every turn.

Brand: DEDA-ELEMENTI.

Category: Steering wheel.

Subcategory: Handlebar attachments.

Specifications:

* Product: Stem ZERO 1 31.7mm x 70mm 82° Angle BoB Finish.
* Material: Aluminium 6061
* Length: 70mm
* Angle: 82°
* Finish: Black on Black (BoB)
* Handlebar Clamp Diameter: 31.7mm
* Steerer Clamp Diameter (Headset): 28.6mm (1 1/8")
* Stack Height: 36mm
* Weight: 145g

Specifications

Manual

Technical specifications of Deda Zero 1 31.7 mm

Features of Deda Zero 1 31.7 mm

Color Grey

Color

Grey

Recommended Use Road Cycling

Recommended Use

Road Cycling

Materials Aluminum

Materials

Aluminum

Key differentiators

Compatible with 31.7mm handlebars and 1 1/8" (28.6mm) steerer tubes.

Constructed from 3D-forged 6061 aluminum for stiffness and reliability.

Designed specifically for road cycling use.

Features a 70mm length and 82° angle for a balanced riding position.

Secured with a two-bolt faceplate for easy installation.

Technology in Deda Zero 1 31.7 mm stem

Energy rating

Warnings

5 / 5

8 Reviews

What our customers are saying about Deda Zero 1 31.7 mm stem

Praised for its excellent quality and feel, this Deda stem features a very nice finish. Its modern profile provides an awesome update, modernizing the look of any bike. This lightweight bike stem is also noted for being very strong, making it a perfect, high-quality replacement for an older 120mm stem

Deda Zero 1 31.7 mm stem

Optimal price-quality. For the price it has, recommended!

2026/11/07

Alain

For the price you get quality. Recommended! I will buy it for all my bicycles

Deda Zero 1 31.7 mm stem

Comfortable stem

2026/08/01

Sándor

This shorter stem has completely transformed my road bike—comfort and handling have improved tremendously!Upgrading to a shorter stem than the stock one made my riding position much more comfortable. I no longer have to overstretch to reach the handlebars, which completely eliminated the annoying lower back, neck, and shoulder pain even after long, multi-hour rides. The bike's geometry feels much more compact now, making the handling far more agile, responsive, and easy to control in sharp corners and high-speed descents. On top of that, the stem is incredibly stiff with zero creaking when climbing out of the saddle. I highly recommend this upgrade to anyone who feels too stretched out on their road bike!

Deda Zero 1 31.7 mm stem

As described

2026/04/25

Yannick

Product perfectly conforms to the description, meaning good quality and functional

Deda Zero 1 31.7 mm stem

Good

2024/10/14

romain

Good very nice finish perfect to replace a 120mm stem however more than 10 days to be delivered

Deda Zero 1 31.7 mm stem

Deda Quality and Value Endure!

2023/08/31

Wylie

Love the look, quality, and feel of Deda products. Bought this as an update ,to my old Deda stem. New profile is more modern, but I like it. Shipping took a while but TradeInn customer service and the prices make it totally worth it. Love shopping here.

Deda Zero 1 31.7 mm stem

Unbeatable value

2021/10/12

David

Awesome looking stem that will modernise the look of any bike. lightweight, great price and very strong

Deda Zero 1 31.7 mm stem

Power deda

2021/09/14

Pasca

Lately the deliveries are delayed but. Recommended 100x 100

Deda Zero 1 31.7 mm stem

Good product

2021/04/24

Anass

Delivery which took 20 days But the quality of the product is excellent As always bikeinn is my preferred shopping site, for the prices and the quality of the products, and the fact that it delivers internationally with correct shipping costs

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Include AI Generated questions and answers

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

What is the Deda Zero 1 stem made of?

Answer of Generated by AI and verified

The Deda Zero 1 31.7 Mm Stem is constructed from aluminum, providing a balance of strength and light weight for your road bike.

* Generated by AI based on customer and product data

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

What is the finish on the Deda Zero 1 stem?

Answer of Generated by AI and verified

This stem features a painted black finish, offering a sleek and clean look for your bicycle's cockpit.

* Generated by AI based on customer and product data

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

Is the Deda Zero 1 stem worth buying for road cycling?

Answer of Generated by AI and verified

The Deda Zero 1 stem is designed for road cycling, offering a balance of performance and reliability with its lightweight aluminum construction and precise steering capabilities.

* Generated by AI based on customer and product data

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

What is the handlebar clamp diameter for this stem?

Answer of Generated by AI and verified

The Deda Zero 1 stem has a handlebar clamp diameter of 31.7mm.

* Generated by AI based on customer and product data

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

What is the steerer tube diameter compatibility for the Deda Zero 1 stem?

Answer of Generated by AI and verified

This stem is designed to fit steerer tubes with a diameter of 28.6mm, which is commonly known as 1 1/8".

* Generated by AI based on customer and product data

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

What is the length of the Deda Zero 1 stem?

Answer of Generated by AI and verified

The length of this Deda Zero 1 stem is 70mm.

* Generated by AI based on customer and product data

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

What is the stack height of this stem?

Answer of Generated by AI and verified

The stack height for the Deda Zero 1 31.7 Mm Stem is 36mm.

* Generated by AI based on customer and product data

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

What type of handlebar clamp does the Deda Zero 1 use?

Answer of Generated by AI and verified

This stem features a two-bolt bar clamp design to securely fasten your handlebars.

* Generated by AI based on customer and product data

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

What type of cycling is the Deda Zero 1 stem intended for?

Answer of Generated by AI and verified

The Deda Zero 1 stem is specifically designed for road cycling, offering the stiffness and responsiveness needed for that discipline.

* Generated by AI based on customer and product data

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

Will this stem fit my 31.8mm handlebars?

Answer of Generated by AI and verified

This stem has a 31.7mm clamp diameter. While very close, it is specifically designed for Deda's 31.7mm standard. We recommend checking compatibility with your specific handlebar manufacturer's tolerances.

* Generated by AI based on customer and product data

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

Is this stem compatible with a 1-inch steerer tube?

Answer of Generated by AI and verified

No, this stem is not compatible with a 1-inch steerer tube. It is designed for the modern standard of 28.6mm (1 1/8") steerer tubes.

* Generated by AI based on customer and product data

2026-11-07

Generated by AI and verified

Deda Zero 1 31.7 mm stem

How does the Deda Zero 1 stem compare to the Deda Logo Stem?

Answer of Generated by AI and verified

While both stems are designed for road cycling, the Deda Zero 1 features a 31.7mm clamp diameter and a 70mm length, offering precise steering and a sleek design.

* Generated by AI based on customer and product data

2025-04-30

Andreas

Deda Zero 1 31.7 mm stem

What is the slope? 6 degrees or -8 degrees?

Answer of william

8 degrees

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
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Use cases

Road Bike Upgrades 90% Fit

This stem is an ideal upgrade for road cyclists looking to enhance their bike's front-end performance and aesthetics. Its aluminum construction provides a solid, reliable connection for confident handling on paved surfaces.

Aluminum construction,Designed for road use,31.7mm clamp diameter

Custom Bike Builds 90% Fit

For cyclists building a custom road bike, this stem offers a great balance of performance and value. The standard 1 1/8" steerer tube diameter and 31.7mm bar clamp ensure compatibility with a wide range of modern road bike components.

Steerer tube diameter: 28.6mm (1 1/8"),Clamp diameter: 31.7mm,Material: Aluminum

Ergonomic Fit Tuning 80% Fit

The 70mm length is well-suited for riders looking to achieve a specific reach and riding posture on their road bike. It allows for precise adjustments to fine-tune comfort and control for long-distance rides.

Stem length: 70mm,Stack height: 36mm,Intended for road cycling

General Road Cycling & Training 80% Fit

As a reliable all-rounder, this stem is perfect for regular training sessions and general road cycling. The durable aluminum material and secure two-bolt clamp provide the stability needed for everyday riding and spirited efforts.

Material: Aluminum,Bar clamp type: two-bolt,Intended use: road

Best for

A Solid Upgrade for Road Cyclists

This stem is a reliable upgrade for road riders seeking improved handling and comfort. Made from durable aluminum and designed specifically for road use, it offers a great balance of performance and value. The 31.7mm clamp diameter provides a secure connection to the handlebars, enhancing steering precision on every ride.

Based on: intended_use: road, Material: aluminum, Clamp diameter: 31.7mm, Precision Steering Control

Ideal for Dialing In Your Riding Position

For cyclists looking to achieve a more comfortable and powerful riding posture, this stem is an excellent choice. Its design allows for precise adjustments to help you find the perfect fit, which is key for reducing fatigue and improving performance over distance. The aluminum construction ensures it's a dependable component for regular use.

Based on: Optimized Riding Posture, Easy Adjustability, Material: aluminum, Intended use: road

For a Secure and Stylish Cockpit

This stem combines reliable performance with a clean, stylish look. The painted black finish and quality aluminum craftsmanship give your bike's cockpit a sleek appearance, while the two-bolt bar clamp ensures a secure grip on your handlebars for enhanced ride security and confident handling.

Based on: Enhanced Ride Security, Stylish Design & Craftsmanship, Finish: painted, Bar clamp type: two-bolt

Benefits

FunctionalExperience Precise Steering and Efficient Power Transfer

This stem is crafted from 6061 aluminum using a 3D forging process, resulting in a single, robust piece with exceptional stiffness. This construction minimizes flex under load, ensuring your efforts translate into precise steering, confident handling, and efficient power transfer on the road.

Material: aluminum

Intended use: road

FunctionalAdd Sleek Italian Style to Your Bike

Featuring a sophisticated Black on Black (BoB) painted finish, this stem adds a touch of understated class and Italian style to your road bike. The sleek, modern aesthetics allow it to integrate seamlessly with any build, enhancing your bike's overall look.

Color: black

Finish: painted

FunctionalEnsures a Stable and Secure Front-End Assembly

The two-bolt faceplate and 31.7mm handlebar clamp diameter create a secure and stable interface with compatible handlebars. This design ensures an unyielding front-end assembly for a more connected and agile feel with every pedal stroke.

Bar clamp type: two-bolt

Clamp diameter: 31.7mm

Ideal buyer profiles

General buyers seeking a road bike stem

This buyer is a road cyclist looking to upgrade or replace their bicycle's stem. They need a component that is compatible with their existing setup and offers a specific length and clamp diameter to achieve their desired riding position and handling characteristics.

The Deda Zero 1 stem is an excellent choice for this buyer. It is constructed from aluminum for durability and is specifically designed for road use. It features a 70mm length, a 31.7mm bar clamp diameter, and is compatible with 1 1/8" (28.6mm) steerer tubes, meeting the precise fitment needs for many road bike configurations. The two-bolt faceplate ensures a secure connection to the handlebars.

Competitive features

When selecting a new stem for your road bike, the Deda Zero 1 31.7 Mm Stem stands as a strong contender against alternatives like the Ergotec Octopus 2 and Massi Cm-505 models. While all these options are positioned at a similar price point, the primary distinctions emerge in their materials, design philosophy, and specific dimensions. The Deda Zero 1 is engineered from aluminum for road cycling, offering a specific set of features tailored for performance-oriented riders.

Where it excels

The Deda Zero 1 stem is constructed from aluminum, offering a reliable balance of stiffness and durability for road cycling applications. With a specific 70mm length and a 36mm stack height, this stem provides a precise fit option for riders looking to fine-tune their cockpit setup. It is designed for the common 31.7mm handlebar clamp diameter and a 1 1/8" (28.6mm) steerer tube, ensuring compatibility with many modern road bikes.

Consider alternatives if...

Verdict

The Deda Zero 1 31.7 Mm Stem is an excellent choice for road cyclists seeking a straightforward, performance-focused upgrade. Its aluminum construction provides the stiffness needed for precise steering and efficient power transfer. With its specific 70mm length and compatibility with 31.7mm handlebars, it's a well-defined component for riders who know the exact geometry they need for their road bike's cockpit.

Specs comparison

Favorite On Favorite Off
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Materialaluminumaluminumaluminumaluminumaluminumaluminum
Intended Useroadroadroad-roadroad
Stack Height36 mm38 mm-40 mm40 mm-
Finishpainted-polishedanodizedpaintedanodized
Clamp Diameter31.7 mm31.7 mm26.0 mm31.7 mm31.7 mm31.7 mm
Bar Clamp Typetwo-bolt-two-bolt---
Stem Length70 mm110 mm100 mm110 mm70 mm-
Steerer Tube Diameter28.6 mm28.6 mm-28.6 mm28.6 mm28.6 mm

Specs vs competitors

Favorite On Favorite Off
Favorite On Favorite Off
Materialaluminumaluminumaluminum
Intended Useroad-road
Stack Height36 mm-40 mm
Finishpaintedpainted-
Clamp Diameter31.7 mm35.0 mm31.8 mm
Bar Clamp Typetwo-bolt-four-bolt
Stem Length70 mm40 mm100 mm
Steerer Tube Diameter28.6 mm28.6 mm-
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