Please enter your email address and we’ll send you a link to reset your password right away.

Your VIP area awaits in the APP

Log in to the app to manage your account, orders, and exclusive benefits.

Order tracking

Order tracking

Personalized notifications

Personalized notifications

Exclusive offers

Exclusive offers

Staying signed in lets you shop faster, check your orders, and access your favorites without signing in again.

Stay signed in
Log out
top

Sold and shipped by

sales

Free shipping

Return of order

Homepage

Tfa Dostmann 422003 cycling computer

Price without code 7.99

RRP:

You save:

Price without subscription

VAT & duties included

No extra charges at delivery.

What is my size?

What is my size?

My virtual fitting room

My virtual fitting room

Single purchase

Add to my pack 

You save:

Buy now in 1 click
Back to PC configurator

Buy this product and earn

Color:

Free shipping

dto_trans discount on shipping

Free assembly

Free removal of old appliance (only with Ader)

Your interest-free financing from with Klarna Paypal

Pay in 3, 4, 6 or up to 12 installments

My virtual fitting room

Other colors available

left
right

Perfect pairings

left
right

Reportar error

Trusted by over 25 million satisfied customers worldwide

Official brand warranty

Quick & easy 30-day return

Features of Tfa dostmann 422003

Product description of Tfa Dostmann 422003 cycling computer

Description summary

Track your fitness on and off the bike with the TFA DOSTMANN 422003. This compact 2-in-1 device accurately monitors your cycling speed, distance, and ride time, while also serving as a daily activity tracker. Count your steps, measure walking distance, and estimate calories burned, all with a clear, easy-to-read display. Lightweight and ready to go, it´s your perfect companion for a more active lifestyle

TFA DOSTMANN 422003 2-in-1 Cycling Computer & Daily Activity Tracker

Elevate your fitness routine with the versatile TFA DOSTMANN 422003, the ultimate 2-in-1 device that functions as both a precise cycling computer and a comprehensive daily activity tracker. Designed for the modern, multi-active individual, this compact gadget seamlessly transitions from your handlebars to your pocket, ensuring you can track every moment of your active lifestyle. Whether you´re commuting to work, enjoying a weekend ride, or going for a jog, the 422003 provides the essential data you need to stay motivated and achieve your fitness goals.

As a feature-rich cycle computer, this device offers cyclists clear, real-time insights into their performance. Monitor your current speed to maintain your pace, track the distance of your ride to measure your progress, and keep an eye on your total ride time. The clear digital display ensures all your critical cycling metrics are easily readable at a glance, allowing you to focus on the road ahead while staying informed about your journey. It’s the perfect companion for casual cyclists and commuters who value simplicity, accuracy, and reliability.

When you´re off the bike, the TFA DOSTMANN 422003 transforms into a powerful daily activity tracker. Its integrated, high-precision step counter accurately records your movements, whether you´re walking, hiking, or jogging. This functionality encourages you to stay active throughout the day, helping you reach your daily step targets. The device also calculates the distance you´ve covered on foot (in your choice of km or miles) and provides an estimate of your calorie consumption. This holistic view of your daily efforts empowers you to make informed decisions about your health and wellness, turning every step into a measurable achievement.

Engineered for convenience and durability, this device is incredibly lightweight and compact, meaning it will never weigh you down. It comes ready to use straight out of the box with an included LR44 button cell battery, so you can start tracking your activities immediately. Its user-friendly interface makes it easy to switch between modes and access your data without any complicated setup.

Key Benefits:

* Dual-Function Versatility: Seamlessly switch between a full-featured cycling computer and a personal pedometer for walking and jogging. One device for all your core fitness activities.
* Complete Activity Monitoring: Track essential metrics both on and off the bike, including speed, distance, steps, and calorie consumption, for a 360-degree view of your fitness.
* Stay Motivated: By providing tangible data on your performance and daily activity, this tracker helps you set goals, measure progress, and stay inspired on your fitness journey.
* Ultra-Compact and Lightweight: Designed for maximum comfort and minimum intrusion, you´ll barely notice it´s there, whether mounted on your bike or carried in your pocket.
* Ready for Immediate Use: With the battery included and a simple, intuitive design, you can begin your tracking adventure without any delay or hassle.
---

Attributes: Cycle Computers, Daily Activity Tracker
---

Technical Specifications

FEATURES:

* Multi-Activity Tracking: Functions as a comprehensive cycling computer and a pedometer.
* Step Counter: Accurately counts your steps during jogging, walking, or hiking.
* Distance Measurement: Tracks distance covered in both kilometers (km) and miles.
* Calorie Consumption: Provides an estimated calculation of calories burned during your activities.
* Included Battery: Comes with one LR 44 button cell, ready for immediate operation.
* Dimensions: 48x8.5x36 mm
* Weight: 40 g

Technical specifications of Tfa dostmann 422003

  • Dimensions

    48x8.5x36 mm

  • Weight

    40 g

  • Speed

    Yes

  • Distance

    Yes

  • Color

    Black

  • Features

    Daily Activiy Tracker

  • Product Type

    Cycle Computers

Features of Tfa dostmann 422003

Color Black

Color

Black

Features Daily Activiy Tracker

Features

Daily Activiy Tracker

Product Type Cycle Computers

Product Type

Cycle Computers

Key differentiators

Clear and easy-to-read digital display

Lightweight design at only 40 grams

Monitors daily activity: steps, walking distance, and estimated calories burned

Tracks key cycling metrics: speed, distance, and ride time

Versatile 2-in-1 functionality as a cycling computer and daily activity tracker

Technology in Tfa Dostmann 422003 cycling computer

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Tfa Dostmann 422003 cycling computer

Write a review about this product

Answer the question

Write your answer

The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

2026-07-23

Generated by AI and verified

Tfa Dostmann 422003 cycling computer

What kind of data does the Tfa Dostmann 422003 track?

Answer of Generated by AI and verified

The Tfa Dostmann 422003 is a 2-in-1 device that functions as both a cycling computer and a daily activity tracker. For cycling, it tracks your current speed, ride distance, and total ride time. As an activity tracker, it counts your steps and measures walking distance.

* Generated by AI based on customer and product data

2026-07-23

Generated by AI and verified

Tfa Dostmann 422003 cycling computer

Does the Tfa Dostmann 422003 have GPS?

Answer of Generated by AI and verified

No, the Tfa Dostmann 422003 cycling computer does not have GPS functionality.

* Generated by AI based on customer and product data

2026-07-23

Generated by AI and verified

Tfa Dostmann 422003 cycling computer

Can I connect a heart rate monitor or cadence sensor to this device?

Answer of Generated by AI and verified

No, this device does not support connectivity with external sensors like heart rate monitors or cadence sensors.

* Generated by AI based on customer and product data

2026-07-23

Generated by AI and verified

Tfa Dostmann 422003 cycling computer

Is this cycling computer suitable for tracking daily activity off the bike?

Answer of Generated by AI and verified

Yes, it is designed as a 2-in-1 device. When you are not cycling, it functions as a daily activity tracker, featuring an integrated step counter to record your movements throughout the day.

* Generated by AI based on customer and product data

2026-07-23

Generated by AI and verified

Tfa Dostmann 422003 cycling computer

Is the Tfa Dostmann 422003 ready to use out of the box?

Answer of Generated by AI and verified

Yes, the device comes with one LR 44 button cell battery included, so it is ready for immediate operation.

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Casual Commuting & Daily Errands 90% Fit

This computer is a great choice for daily commuters who need reliable, basic ride data without complexity. Its minimalist design and easy-to-read digital display provide essential information like speed and distance at a glance.

Digital display,Lightweight design (40 g)

Beginner Fitness Tracking 80% Fit

For those new to cycling for fitness, this device offers a simple way to start tracking basic metrics. It provides the essential data needed to monitor progress on recreational rides and build a fitness routine.

Basic ride data tracking,User-friendly operation

Recreational Weekend Rides 75% Fit

Ideal for leisurely weekend rides on bike paths or in parks, this computer tracks your journey's key stats. Its lightweight build ensures it won't add any noticeable bulk to your bike, keeping the ride fun and focused.

Lightweight design (40 g),Digital display

Family Bike Outings 85% Fit

This computer is a practical and affordable addition for family bike rides, allowing each member to track their own speed and distance. Its simple operation makes it easy for riders of all ages to use and compare their stats in a fun way.

Easy-to-use interface,Digital display

Best for

Best for Casual Riders

This computer offers a user-friendly interface and tracks essential data, making it a practical and affordable choice for recreational cycling.

Based on product features

Ideal for Daily

Its lightweight design and focus on real-time data accuracy provide the essential, reliable information needed for everyday travel.

Based on product features

Great for Beginners

This device provides key metrics for tracking fitness and an active lifestyle at great value, making it perfect for those just starting out.

Based on product features

Benefits

FunctionalTrack Key Metrics with a Clear Digital Display

Instantly monitor your cycling performance with essential data presented on a straightforward digital display. This allows for quick glances at your speed and distance, helping you make real-time adjustments to your ride without complex menus or distractions.

Ideal buyer profiles

The Daily

This rider uses their bicycle for daily transportation to work, school, or for running errands. They value reliability, simplicity, and at-a-glance information to track their journey without unnecessary complexity.

The Tfa Dostmann 422003 offers a straightforward user experience, highlighted by its high score for a user-friendly interface. Its digital display clearly presents essential metrics, and the included battery means it's ready to go right away, making it a practical choice for daily travel.

The Recreational Weekend Rider

This individual enjoys cycling on weekends for leisure and fitness. They are interested in tracking their performance to see improvement over time but don't require advanced professional-level analytics or smart connectivity.

With a strong emphasis on health and fitness tracking, this computer provides the core data needed to monitor weekend rides. Its lightweight 40g design won't add noticeable bulk, and the simple digital interface allows the rider to focus on enjoying the ride rather than managing a complex device.

The Casual Fitness Cyclist

This person incorporates cycling into their fitness routine, focusing on goals like distance, time, and consistency. They want a no-fuss device that helps them stay motivated by tracking their progress without a steep learning curve.

This product is an excellent match due to its high score in health and fitness tracking and user-friendliness. It provides the essential data to track fitness goals, and since it comes with a battery included, it's ready for immediate use, supporting a consistent workout schedule.

Competitive features

When choosing a cycling computer, it's helpful to see how different models stack up. This analysis compares the Tfa Dostmann 422003 Cycling Computer against several alternatives, including the Ventura Vi, Ventura X, Extend Z9, and Massi 9 0 Functions. Our focus is on the core functionality and intended use case derived from the available product information.

Where it excels

The Tfa Dostmann 422003 stands out with its 2-in-1 functionality, serving as both a cycling computer and a daily activity tracker. This dual-purpose design is a key differentiator from the other listed models, which are presented primarily as dedicated cycling computers. | Its role as an activity tracker, counting steps and estimating calories burned off the bike, offers a more holistic approach to fitness tracking for individuals who want a single device for multiple activities.

Consider alternatives if...

If your needs are strictly limited to on-bike metrics and you do not require off-bike activity tracking features like a step counter, a more specialized, single-function cycling computer might be a more direct fit. The alternative models appear to focus solely on cycling functions. | Based on the provided data, all compared devices, including the Tfa Dostmann 422003, are fundamental units. Riders seeking advanced features such as GPS, heart rate monitoring, cadence sensing, or smartphone connectivity will need to look at a different category of cycling computers.

Verdict

The Tfa Dostmann 422003 is a unique option in this comparison due to its hybrid nature. It effectively bridges the gap between a basic cycling computer and a general fitness tracker. While it shares the fundamental feature set of its competitors for tracking rides, its added ability to monitor daily activity makes it a versatile choice for those with an active lifestyle that extends beyond just cycling.

Specs comparison

Specs vs competitors

Similar alternatives to this product
Related products viewed by other shoppers
We think you might be interested in this

You might also be interested in

Tradeinn works with its own stock and with more than 2,000 suppliers connected daily. We update availability in real time to offer you the widest possible catalog, always at the best price. Some products may require additional delivery time depending on supplier availability.

Quick & easy 30-day return

Secure & safe shopping

100% Satisfaction Guaranteed

Always the best online price

Loading image