Technical sheet

Sigma Pure 1 cycling computer

Name: Sigma Pure 1 cycling computer
Brand: Sigma
SKU: 136005610
Price: 16.49 EUR
Availability: InStock
Rating: 5 (17 reviews)

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17 Reviews

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Features of Sigma Pure 1

Product description of Sigma Pure 1 cycling computer

Description summary

Focus on your ride, not your tech. The SIGMA Pure 1 wired cycling computer delivers essential data – speed, distance, and time – on an extra-large, high-contrast display. With automatic start/stop, intuitive single-button control, and IPX8 waterproofing, it´s built for simplicity and reliability. Track your progress effortlessly with this sleek, robust companion for every cyclist

SIGMA Pure 1 Wired Cycling Computer: The Essence of Cycling Data

Discover the ultimate in minimalist precision with the SIGMA Pure 1, the wired cycling computer designed for purists who value clarity and immediate, essential information. If you believe the focus of your ride should be the road ahead and the rhythm of your pedals, not a complex gadget, the Pure 1 is your perfect partner. It strips away the non-essential, delivering the three most critical cycling functions—speed, distance, and time—with unparalleled simplicity and reliability.

The first thing you will notice is the exceptionally large, high-contrast display. Measuring a generous 29x45 mm, this three-line screen presents all your crucial data simultaneously, eliminating the need to toggle through menus while in motion. At a single glance, you can see your current speed, your trip distance, and your total ride time, allowing you to stay informed without distraction. The thoughtful design ensures maximum readability in all light conditions, from bright midday sun to the low light of dusk.

At its core, the SIGMA Pure 1 is a precise and reliable Speedometer, Odometers, and trip timer rolled into one elegant device. The speedometer function gives you an immediate, real-time reading of your current speed, helping you to pace your efforts effectively. To track your progress and achievements, the integrated Odometers log both the distance of your current trip and the total accumulated distance over the lifetime of the computer. This allows you to monitor your daily rides while keeping an eye on your long-term mileage goals.

Ingenious simplicity is built into its operation. Thanks to an integrated Accelerometer, the Pure 1 features a brilliant automatic start/stop function. As soon as you start moving, the computer begins recording your ride, and it pauses automatically when you take a break. This smart feature ensures you never forget to start or stop your ride log again, guaranteeing that every second and every meter of your journey is accurately captured. The entire device is controlled by a single, intuitive button, making on-the-go adjustments effortless.

Designed for the real world of cycling, the Pure 1 is not only slim and stylish with a depth of just 11 mm, but also exceptionally robust. Built to handle any adventure, it boasts a superior IPX8 waterproof rating, meaning it is fully protected against continuous immersion in water. Ride with complete confidence through heavy downpours or on muddy trails, knowing your computer is built to withstand the elements. The wired connection guarantees a stable, interference-free data transmission from the sensor to the unit, providing you with consistently accurate readings you can always trust. Installation is quick and tool-free, and with batteries and a clamp included, it is ready to go right out of the box.

For the cyclist who values clarity, reliability, and minimalist design, the SIGMA Pure 1 is the ultimate companion for every journey.

Sigma Pure 1.

Screen size (HxV):29x45 mm.

Depth:11mm.

Specifications:
-Screen size (HxV):29x45 mm.
-Color screen:No.
-Depth:11 mm.
-Distance functions:Total, Trip (past).
-Speed functions:Current.
-Product color:Black.
-Time functions:Travel time.
-IP Code (International Protection):IPX8.
-Type:Wired.

Specifications

Manual

Technical specifications of Sigma Pure 1

Dimensions

11mm
Screen Size

29x45 mm
Water Resistance Rating

IPX8
Speed

Yes
Distance

Yes
Color

Black
Features

Speedometer
Features

Accelerometer
Product Type

Odometers

Features of Sigma Pure 1

Color Black

Color

Black

Features Speedometer

Features

Speedometer

Accelerometer

Product Type Odometers

Product Type

Odometers

Key differentiators

Features a large, high-contrast 29x45 mm display for easy readability

Focuses on essential functions: speed, distance, and time

Includes an automatic start/stop function via an integrated accelerometer

Offers a high level of water resistance with an IPX8 rating

Simple, intuitive single-button operation

Technology in Sigma Pure 1 cycling computer

Energy rating

Warnings

4.76 / 5

17 Reviews

What our customers are saying about Sigma Pure 1 cycling computer

This simple bike computer offers great value and is perfect for beginners and amateur cyclists. Its best feature is the large, clear display with big numbers, making it very easy to read. The device is praised for its simple setup, easy installation, and accurate tracking of essential data like speed, time, and distance. While it has a nice design and quality feel, it does not include a backlight for night riding, a clock, or an average speed function

Good product

2024/07/05

cristina

Simple, with everything you need to go cycling.

Sigma pure 1

2024/01/25

Sergio

OK, simple to use, does what it's supposed to, time, speed and km. what is needed for an amateur cyclist who does 70 km a day.

Nomen est omen

2023/05/31

Vince

Simple, only the clock I miss from it.

Easy to read

2022/08/13

Jeroen

Nice bike computer for my father. Little fuss, only the essentials that can be read without glasses!

Useful

2021/11/25

Cesar Llacsahuanga

It seems to me a very useful product for those who are starting since it gives the essential data, speed, time and klm traveled. Take into account that it does not have light for night routes

Good, good visibility

2021/05/02

SSPT

Good display of the main units, clearly visible, with good precision. Good price-quality ratio.

Good price

2021/02/02

Abel Maciel

Good price, good product and easy to see for those who have some difficulty in vision. Fast delivery.

Good look

2020/12/17

neus

I don't have it mounted yet; Looks like it's ok

Excellent

2020/11/30

Miguel Garcia

Easy to install, easy to read and very comfortable. Everything in sight. Very nice design and super simple handling Good price for a good brand device. No problems of attachment to the handlebar / fork. Good on first outing

Great deal

2020/11/09

Licínio Ribeiro Estrela

Quality Material, Good Price and Fast Delivery. :-)

Very useful.

2020/09/15

Javi

I bought it for my mother, she was delighted with it because it has the large numbers and it looks good, and it is very easy to handle. I had one just like it, it fell and broke and I have bought the same one again, very happy with it.

Very good price

2020/09/11

Leo

Very good price for what you’re getting, but the shipping was more expensive than the item and it took almost a month to get here

Very correct price

2020/08/07

Maingot Marcel

First counter for a happy child

Right

2020/07/27

Jorge

Excellent, it is what is advertised and what is asked for, Simple and with basic functions, you cannot ask for more for the price paid. It arrived very fast so I was happy

Good product.

2020/05/19

Pedro Chá-Chá Carreira

Elegant product and meets expectations. Too bad not having the average speed.

Great

2020/05/15

Easy to mount and easy to read, big screen. Bought this to my kids bike and he´s thrilled. Very Happy for this purchase.

Awesome

2019/04/19

Ali

Simple and easy to setup

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Include AI Generated questions and answers

2026-09-07

Generated by AI and verified

What are the main functions of the Sigma Pure 1 cycling computer?

Answer of Generated by AI and verified

The Sigma Pure 1 focuses on the essentials, providing real-time data for your current speed, trip distance, and travel time. These core functions are displayed simultaneously on its large screen.

* Generated by AI based on customer and product data

2026-09-07

Generated by AI and verified

Is the Sigma Pure 1 easy to use while riding?

Answer of Generated by AI and verified

Yes, this cycling computer is designed for simplicity. It features a large, high-contrast display measuring 29x45 mm for excellent readability at a glance, and it operates with an intuitive single button, minimizing distractions while you ride.

* Generated by AI based on customer and product data

2026-09-07

Generated by AI and verified

What type of connection does the Sigma Pure 1 use?

Answer of Generated by AI and verified

The Sigma Pure 1 is a wired cycling computer. It uses a physical cable to connect the head unit to the sensor on your bike's fork, ensuring a reliable and direct data feed.

* Generated by AI based on customer and product data

2026-09-07

Generated by AI and verified

Is the Sigma Pure 1 cycling computer worth buying for basic cycling data?

Answer of Generated by AI and verified

The Sigma Pure 1 is ideal for cyclists who want essential data like speed, distance, and time on a large, easy-to-read display. Its simplicity and reliability make it a great choice for those who prefer minimal distractions while riding.

* Generated by AI based on customer and product data

2026-09-07

Generated by AI and verified

Is the Sigma Pure 1 cycling computer waterproof?

Answer of Generated by AI and verified

Yes, the Sigma Pure 1 has an IPX8 water resistance rating, which means it is protected against prolonged immersion in water, making it a reliable choice for riding in all weather conditions.

* Generated by AI based on customer and product data

2026-09-07

Generated by AI and verified

Does the Sigma Pure 1 have a color display?

Answer of Generated by AI and verified

No, the Sigma Pure 1 does not have a color screen. It features a high-contrast monochrome display designed for maximum clarity and readability of your essential ride data in various light conditions.

* Generated by AI based on customer and product data

2026-09-07

Generated by AI and verified

What is the screen size of the Sigma Pure 1?

Answer of Generated by AI and verified

The display on the Sigma Pure 1 measures 29x45 mm. This large, three-line screen is designed to show your speed, distance, and time all at once for easy viewing.

* Generated by AI based on customer and product data

2026-09-07

Generated by AI and verified

Does the Sigma Pure 1 have GPS?

Answer of Generated by AI and verified

No, the Sigma Pure 1 does not include GPS functionality. It is a wired cycling computer that tracks speed and distance using a sensor connected to the wheel.

* Generated by AI based on customer and product data

2026-09-07

Generated by AI and verified

Is this bike computer suitable for a cyclist who wants just the basic information?

Answer of Generated by AI and verified

Absolutely. The Sigma Pure 1 is specifically designed for cyclists who prefer a minimalist approach. It strips away complex features to deliver the three most essential pieces of data—speed, distance, and time—with simplicity and reliability.

* Generated by AI based on customer and product data

2026-09-07

Generated by AI and verified

Can I use the Sigma Pure 1 in the rain?

Answer of Generated by AI and verified

Yes, you can confidently use the Sigma Pure 1 in wet conditions. It features an IPX8 water resistance rating, offering robust protection against rain and water splashes during your ride.

* Generated by AI based on customer and product data

2026-09-07

Generated by AI and verified

Can I connect a heart rate monitor or cadence sensor to the Sigma Pure 1?

Answer of Generated by AI and verified

No, the Sigma Pure 1 is a basic, wired cycling computer and does not support connectivity with external sensors like heart rate monitors or cadence sensors. It is designed to display speed, distance, and time.

* Generated by AI based on customer and product data

2026-09-07

Generated by AI and verified

How does the Sigma Pure 1 compare to the Sigma Bc 8.0 Wl Ats Cycling Computer?

Answer of Generated by AI and verified

Both are designed to enhance your cycling experience.

* Generated by AI based on customer and product data

2025-05-08

Thierry

Does this meter tell the time?

Answer of Adolfo

No, it doesn´t tell the time.

Answer of Alex

It tells you how long you´ve been cycling. Not what time it is.

Answer of Bent Okholm

I haven´t found a function yet that shows what time it is - only hours worked. Good value for money :-)

* Generated by AI based on customer and product data

2023-05-28

francesco

Good evening, can you confirm if it is the km per hour ... the km traveled and if you have a watch, thanks.

Answer of David

Good morning, it was a gift and they have told me what is correct. It has a clock, km per h and total distance.

* Generated by AI based on customer and product data

2023-05-28

francesco

kmh ...watch ...and count the km travelled?

Answer of Marco

Bought for my nephew, works well, excellent readability but few functions. Shows speed, total km and km of the stage. Excellent value for money

Answer of João

It registers the total km (accumulated), the km of the day´s stage (you just have to reset it when starting the trip) and shows the instantaneous speed.

* Generated by AI based on customer and product data

2024-06-27

Miguel%20

Does it have an app or is there the possibility of seeing the data on the mobile???

Answer of Adolfo

No, you cannot see the data on the mobile

* Generated by AI based on customer and product data

2025-04-07

Rafa

Is it wireless or wired? Thanks.

Answer of Adolfo

It runs on a cable, so it only needs one battery.

Answer of Bent Okholm

It is wired - and I am very happy with it.

* Generated by AI based on customer and product data

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Frequently bought together

Best sellers

Use cases

Daily Commuting & Urban Cycling 90% Fit

This computer is ideal for daily commuters who need essential ride data without complexity. Its large display provides clear, at-a-glance readings of speed, distance, and travel time, while the IPX8 waterproof rating ensures reliability in all weather conditions.

speed,distance,time_functions,water_resistance_rating

Recreational & Fitness Riding 80% Fit

For cyclists enjoying recreational rides or focusing on fitness, this device tracks key metrics like total distance and travel time. The simple, single-button operation and clear display make it easy to monitor your progress during a workout.

distance,time_functions,screen_size

Minimalist Touring or Long-Distance Cycling 70% Fit

This computer is a great choice for touring cyclists who prefer a simple, reliable setup. It focuses on the essentials—speed, distance, and time—without the distractions or battery drain of GPS and smart features, and its wired connection ensures consistent data.

connectivity_type,functions,display_type

Introduction to Cycling Data 95% Fit

For new cyclists or those using a computer for the first time, this device offers a straightforward experience. It displays only the most important data (speed, distance, time) on a large screen, making it easy to understand and use from the very first ride.

functions,screen_size,display_type

Best for

Best for No-Fuss Ride Tracking

This computer focuses on the core metrics of speed, distance, and travel time, presented on a large, high-contrast display for easy reading.

Functions: speed, distance, time; Screen size: 29x45 mm; Connectivity type: wired

Ideal for All-Weather

With its high IPX8 waterproof rating, this device is built to be durable and resistant to the elements, ensuring consistent performance.

Great for Casual Fitness Riders

It provides accurate, real-time ride analytics for speed and distance, helping you track your progress on every ride.

Perfect for Data-Focused Training

This device delivers precise, real-time data on speed, distance, and time, allowing for immediate feedback and post-ride analysis.

Benefits

FunctionalRide Confidently in Any Weather

Engineered for reliability, this cycling computer features an IPX8 water resistance rating, ensuring it can withstand rain, splashes, and challenging weather conditions without failing.

Water resistance: IPX8

Water resistance rating: IPX8

FunctionalTrack Your Core Cycling Metrics

Stay informed during your ride by tracking essential data. The computer clearly displays your current speed, total distance covered, and overall travel time, allowing you to monitor your performance at a glance.

Functions: speed

distance

time

Speed: Yes

Distance: Yes

Time functions: Travel time

FunctionalEffortless Operation with a Large Display

Designed for simplicity, this device features a large 29x45 mm screen for excellent readability. The wired connection and accelerometer provide straightforward, reliable data without complex setup.

Screen size: 29x45 mm

Connectivity type: wired

Accelerometer: Yes

Ideal buyer profiles

The Casual

This rider uses their bike for daily commutes or leisurely weekend rides. They value simplicity, reliability, and just want to see the essential data without complex setup or features they won't use.

The Sigma Pure 1 is an excellent match because it focuses purely on the core metrics of speed, distance, and travel time. Its single-button operation and large, clear display make it incredibly user-friendly, while the IPX8 water resistance ensures it can handle daily commutes in any weather.

The Minimalist Cyclist

This individual appreciates a clean, uncluttered setup on their bike. They prefer straightforward, functional gear over gadgets with extensive connectivity and features, focusing on the ride itself rather than post-ride data analysis.

With its wired connection and focus on fundamental functions, the Sigma Pure 1 offers a 'set it and forget it' experience. It provides real-time speed, distance, and time without the need for GPS, app syncing, or frequent charging, aligning perfectly with a minimalist approach to cycling.

The Fitness Rider

This person rides for fitness and to maintain an active lifestyle but doesn't need professional-grade analytics. They are looking for a cost-effective way to track their progress and stay motivated on their rides.

This computer provides the essential data needed for basic fitness tracking, such as distance and ride time, at an accessible price point. Its durable, IPX8 waterproof construction means it's a reliable training partner that can be used year-round without a significant investment.

Competitive features

When choosing a cycling computer, the decision often comes down to simplicity versus advanced features. The Sigma Pure 1 is designed for the purist, focusing on core ride data without unnecessary complexity. We've compared it to other popular models in its category to help you see where it stands out and where you might consider other options.

Where it excels

The Sigma Pure 1 excels in delivering the most essential cycling data—speed, distance, and time—with exceptional clarity. Its extra-large, high-contrast display is designed for at-a-glance readability. Built for reliability and ease of use, it features a simple single-button control and an automatic start/stop function, making it a true set-and-forget device for any ride. With an IPX8 waterproof rating, this wired computer offers robust protection against the elements, ensuring dependable performance even in heavy rain.

Consider alternatives if...

If you require wireless connectivity to avoid cable management, the Rfr Cmpt Wireless Cycling Computer is a direct alternative. Cyclists seeking advanced metrics like cadence, heart rate, or GPS tracking for navigation and detailed performance analysis will need to look at more feature-rich models, as the Pure 1 intentionally focuses on the basics. While the Pure 1 provides total distance and ride time, other computers in this category may offer additional functions like average speed, maximum speed, or a clock, which could be beneficial for some riders.

Verdict

The Sigma Pure 1 is an excellent choice for cyclists who prioritize simplicity, reliability, and a clear display of fundamental ride metrics. It's a minimalist device that performs its core functions exceptionally well. However, if you're looking for wireless setup, advanced training data, or GPS capabilities, you'll find other computers are better suited to your needs.

Specs comparison

	Sigma Pure 1 cycling computer	Sigma Bc 8.0 Wl Ats Cycling Computer
Battery Life	up to 5 hours	up to 5 hours
Water Resistance	IPX8	IPX8
Screen Size	29x45 mm	2.7
Connectivity Type	wired	wireless
Distance	Yes	Yes
Functions	speed, distance, time	Current Speed, Average Speed, Comparison of Current / Average Speed, Trip Distance, Total Distance, Ride Time, Total Ride Time, Clock (12/24h), Automatic start/stop function

Specs vs competitors

	Sigma Pure 1 cycling computer	Union 8 Functions Cycling Computer	Echowell U4 Cycling Computer	Echowell U9 Cycling Computer	Rfr Cmpt Cycling Computer	Giant Axact 6 Cycling Computer
Battery Life	up to 5 hours	up to 5 hours	up to 5 hours	up to 5 hours	up to 5 hours	5 days
Water Resistance	IPX8	waterproof	Weather-Resistant	weather-resistant	-	-
Screen Size	29x45 mm	2	Not specified	large	not specified	2 inches
Connectivity Type	wired	wired	wired	wired	wired	wired
Distance	Yes	Yes	Yes	Yes	Yes	Yes
Functions	speed, distance, time	Current Speed, Trip Distance, Odometer, 12-Hour Clock, Maximum Speed, Riding Time, Average Speed	current speed, trip distance, total odometer, auto-scan feature	Current Speed, Average Speed, Maximum Speed, Trip Distance, Total Distance (Odometers), Riding Time, Speed Pacer, 12/24 Hour Clock, Auto Scan	12 essential functions including speed, distance, average speed, clock, scan, riding time, total distance/total ODO, speed comparison prompt, metric/imperial alternative, riding speed, max speed, riding distance, auto start/stop	12