Advertising Disclosure
Sigma Bike Computer Comparison - April 2026

7 Best Sigma Bike Computer In the UK

1
Best Choice
9.8Exceptional
2
9.5Excellent
3
9.2Excellent
4
9.0Excellent
5
Best Value
8.9Very Good
6
8.7Very Good
7
8.6Very Good
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon

Model

SIGMA Sport ROX 4.0 Black Wireless Bike Computer With GPS & Navigation, Outdoor Navigation With Altitude Measurement, GPS Mount Included
Model
SIGMA SPORT BC 10.0 WL Wireless Bike Computer with Numerous Functions, Bike Computer for the Highest Demands, Easy to Use with Large Buttons and a Clear Display
Model
SIGMA SPORT BC 5.0 WR Wired Bike Computer with Numerous Functions, Entry-Level Bike Computer, Easy to Use with Large Buttons and a Clear Display
Model
SIGMA Sport BC 10.0 WR Wired Bike Computer with Numerous Functions, Bike Computer, Easy to Use with Large Buttons and a Clear Display, One Size
Model
SIGMA Bike Computer BC 12.0 WR Wired - Bike Speedometer with Twelve Essential Functions & Versatile Tracking Methods | Backlight For Easy Reading | Usable For Two Bicycles | Cycle Computer
Model
SIGMA Bike Computer BC 8.0 Wired - Bike Speedometer with Daily Miles Per Hour, Riding Time, and Speed Comparison Features | Waterproof & Weatherproof | Seven Languages Available | Cycle Computer
Model
SIGMA SPORT BC 5.0 WL Wireless Bike Computer with Numerous Functions, Entry-Level Bike Computer, Easy to Use with Large Buttons and a Clear Display

Brand

Sigma
Brand
Sigma
Brand
Sigma
Brand
Sigma
Brand
Sigma
Brand
Sigma
Brand
Sigma

Reviews

4,484 reviews
Reviews
2,816 reviews
Reviews
3,368 reviews
Reviews
2,468 reviews
Reviews
644 reviews
Reviews
988 reviews
Reviews
956 reviews

Tech Specs

color

Black
color
Black/white
color
Black
color
Black/white
color
White
color
Black
color
Black

batteries included

Yes
batteries included
Yes
batteries included
Yes
batteries included
Yes
batteries included
Yes
batteries included
Yes
batteries included
Yes

included components

1
included components
nothing
included components
nothing
included components
nothing
included components
nothing
included components
nothing
included components
nothing

display size

2.4 Inches
display size
1.9 Inches
display size
29 Inches
display size
1.9 Inches
display size
29 Inches
display size
29 Inches
display size
29 Inches

material type

Composite
material type
Alloy Steel
material type
Plastic
material type
Plastic
material type
Plastic
material type
Plastic
material type
Plastic

product dimensions

4.49 x 1.84 x 7.36 cm 51 g
product dimensions
4 x 1.2 x 5.5 cm 27 g
product dimensions
3.8 x 1.3 x 5.1 cm 24 g
product dimensions
4 x 1.4 x 5.5 cm 27 g
product dimensions
6 x 4.4 x 1.6 cm 72 g
product dimensions
4 x 1.4 x 5.5 cm 27 g
product dimensions
3.8 x 1.3 x 5.1 cm 24 g

batteries

1 Lithium Ion batteries required. included
batteries
1 Lithium Metal batteries required. included
batteries
1 Lithium Metal batteries required. included
batteries
1 Lithium Metal batteries required. included
batteries
1 Lithium Metal batteries required. included
batteries
1 Lithium Metal batteries required. included
batteries
1 Lithium Metal batteries required. included

size

One Size
size
One Size
size
One Size
size
One Size
size
One Size
size
One Size
size
One Size

style

ROX 4.0
style
Single
style
Single
style
Single
style
BC 12.0 WR
style
Sports
style
Sports

item display length

16 centimetres
item display length
1 inches
item display length
1 inches
item display length
1 inches
item display length
-
item display length
1 inches
item display length
1 inches

sport

Cycling, Triathlon
sport
Cycling
sport
-
sport
Cycling
sport
Cycling
sport
Cycling
sport
Cycling

display type

LED
display type
FSTN
display type
HTN
display type
FSTN
display type
-
display type
-
display type
HTN

item display width

-
item display width
2 inches
item display width
2 inches
item display width
2 inches
item display width
-
item display width
2 inches
item display width
2 inches

height

-
height
5 inches
height
5 inches
height
5 inches
height
-
height
5 inches
height
5 inches

number of items

1
number of items
1
number of items
-
number of items
1
number of items
-
number of items
-
number of items
1

bike type

-
bike type
BMX Bike
bike type
-
bike type
Bicycle Pedal
bike type
BMX Bike
bike type
-
bike type
BMX Bike

age range

-
age range
Adult
age range
-
age range
Adult
age range
Adult
age range
-
age range
Adult

Available On

Available On
Available On
Available On
Available On
Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.8
    1
    Sigma

    SIGMA Sport ROX 4.0 Black Wireless Bike Computer With GPS & Navigation, Outdoor Navigation With Altitude Measurement, GPS Mount Included

    Why we love it

    GPS bike computer with 30 functions
    Extra large display
    Connects to komoot GPS app
    Main highlights
    • Scope of delivery: SIGMA ROX 4.0 Black bike computer, GPS mount, USB-C cable, mounting material, quick start guide (English language not guaranteed).
    • Hard facts: the SIGMA bike computer has individually adjustable sport profiles and stores up to 100 hours of riding time. The GPS bike computer has a 2.4" display, up to 25 hours of battery life, IPX7 water resistance, ANT+ and BLE connectivity.
    • GPS bike computer: the bike computer supports every bike tour with 30 functions. The extra-large display shows data such as altitude profile, speed and distance.
    • Easy navigation: the ROX 4.0 can be connected to the komoot outdoor GPS app, which sends turn-by-turn directions to the computer, shown as an arrow on the display or inside the Red Circle
    • E-bike ready: the bike computer with GPS can connect to a compatible e-bike system and display specific values such as range, battery status or support level.
  • 9.5
    2
    Sigma

    SIGMA SPORT BC 10.0 WL Wireless Bike Computer with Numerous Functions, Bike Computer for the Highest Demands, Easy to Use with Large Buttons and a Clear Display

    Main highlights
    • Wireless: thanks to the coded radio transmission, no cables are required for the bike computer and the radio transmitter attached to the fork transmits the speed measured on the wheel permanently and without interference.
    • Scope of delivery: bike computer (incl. battery), bracket for radio model, ATS transmitter (incl. battery), magnet, mounting material, operating instructions (English language not guaranteed).
    • Maximum speed: as a special feature, the BC 10.0 bike computer also displays the maximum speed in addition to the current and average speed.
    • Functions: ten functions are clearly displayed on the bike computer: Daily kilometres, speed, total kilometres, riding time, time of the day, total riding time, average speed, average speed comparison, maximum speed and the current temperature.
    • Durability: the BC 10.0 WL is waterproof and weatherproof. The built-in replaceable button battery supplies the speedometer with power for well over two years,
  • 9.2
    3
    Sigma

    SIGMA SPORT BC 5.0 WR Wired Bike Computer with Numerous Functions, Entry-Level Bike Computer, Easy to Use with Large Buttons and a Clear Display

    Main highlights
    • Wired: the direct cable connection of the speedometer to the transmitter ensures smooth speed measurement by the bike computer
    • Scope of delivery: bike computer (incl. battery), bracket for cable model, magnet, mounting material, operating instructions (English language not guaranteed).
    • Functions: the five basic functions of speed, daily kilometres, total kilometres, riding time and time of the day are clearly displayed on the bike computer.
    • Easy to use: thanks to the slim design of the GPS tracker, you can use it and scroll through the functions with just one button. This enables easy navigation even while travelling
    • Durability: the BC 5.0 WR is waterproof and weatherproof. The built-in, replaceable button battery supplies the speedometer with power for well over two years

Our ranking system

The topchoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. topchoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
smartphone

Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
checklist

Popularity

Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
smartphone-stars
windows

Value for money

topchoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.

When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.