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Legal noticePrivacy notice

Sigma Sport Sigma Computer ROX 12.1 Evo GPS

Price in EUR including VAT
23Ratings
BrandMore from Sigma Sport
Test reportsVery good based on 3 tests
Delivered between Mon, 19.1. and Wed, 21.1.
Only 2 pieces in stock at third-party supplier
Supplied by
free shipping

Product details

This intuitive GPS bike computer is an integrated navigation system for anyone looking to explore the world. Thanks to its many map-based navigation features, the cyclocomputer finds the best route to your destination.

  • Large touchscreen: It features a 3-inch color display that allows for clear data and map viewing. The screen is touch-sensitive.
  • GPS Navigation: The ROX 12.1 EVO has GPS navigation capabilities and comes pre-installed with detailed maps. Routes can be planned and tracked in real-time.
  • Connectivity: The bike computer has ANT+ and Bluetooth connectivity, allowing it to connect with sensors for speed, cadence, heart rate, and power.
  • Advanced training features: The ROX 12.1 EVO offers a wide range of training functions, customizable profiles, performance data, interval training, and much more.
  • Integration with external platforms: Data can be synchronized with Strava and TrainingPeaks to create detailed analyses and share achievements with other cyclists.
  • Durable and waterproof: The device is designed to withstand outdoor cycling conditions. It is waterproof (IP67).

Key specifications

Transmission standard
ANT+, Bluetooth
Localisation technology
GLONASS, GPS
Signal transmission
Wireless
Navigation functions
Coordinate input, Display of maps, Possibility to add cards, Route guidance
Velocomputer functions
Accelerometer, Barometric altimeter, Cadence measurement, Heart rate measurement, Speed measurement

General information

Item number
36690559
Manufacturer
Sigma Sport
Category
Bike computers
Manufacturer no.
01042
Release date
26.6.2023

Colour

Colour
Black, Grey
Exact colour description
Night grey

Bike computer properties

Velocomputer functions
Accelerometer, Barometric altimeter, Cadence measurement, Heart rate measurement, Speed measurement
Durability
Waterproof
Protection type (IP code)
IP67
Localisation technology
GLONASS, GPS

Navigation properties

Navigation functions
Coordinate input, Display of maps, Possibility to add cards, Route guidance

Display properties

Display size (inches)
3"
Image resolution
240 x 400 pixels
Display functions
Coloured, with map display

Interface

Transmission standard
ANT+, Bluetooth
PC/Smartphone interface
ANT, Bluetooth
Signal transmission
Wireless

Battery properties

Battery type
Li-ion
Battery size
Device specific
Battery life
14 h

Mounting

Installation location
Bike handlebar

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
Duo Magnetless Cadence, Duo Magnetless Speed, Fixing material, Incl. bike computer, Long Butler, Quick start guide, R1 Duo Transmitter + chest strap, Sling, USB-C cable

Product dimensions

Length
2.10 cm
Width
5.71 cm
Height
9.50 cm
Weight
110 g

Legal Notice

Product Safety

Package dimensions

Length
18.30 cm
Width
11.70 cm
Height
6.20 cm
Weight
340 g

14-day cancellation right
30-day right of return
24 Months statutory warranty
1 additional offer
Report concern

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Bike computers» category have a defect within the first 24 months?

Source: Galaxus
  • 2.Hammerhead
    1,8 %
  • 3.Garmin
    1,9 %
  • 4.Sigma Sport
    2,2 %
  • 4.Wahoo
    2,2 %
  • 6.CatEye
    2,7 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 1.Sigma Sport
    1 day
  • 2.Wahoo
    3 days
  • 3.Hammerhead
    5 days
  • 4.Garmin
    6 days

Return rate

How often is a product of this brand in the «Bike computers» category returned?

Source: Galaxus
  • 1.Sigma Sport
    2,1 %
  • 2.Garmin
    2,8 %
  • 3.Hammerhead
    2,9 %
  • 4.Cycplus
    3,1 %
  • 5.Wahoo
    4 %
Source: Galaxus

Translation: machine translated
Overall ratingVery good80/100
Very good80/100
Rennrad Radsportmagazin Logo
Rank 4 out of 6Rennrad RadsportmagazinGPS-Radcomputer im TestReleaseJuly 2025
  • PositiveForm factor
  • PositiveWeight
  • PositiveRouting
  • PositivePrice-performance
  • PositiveBattery life
  • NegativeBattery life
Without ratingNo rating
Spiegel TestsSingle testReleaseSeptember 2023
  • PositiveThe display is large and bright
  • PositiveThere are many functions that can be operated by touch
  • PositiveAnd addresses for navigation can be easily entered directly on the device
  • NegativeWhen navigating, the map must be zoomed to the appropriate size by touching it
  • NegativeThe unit is unreliable during diversions.
  • NegativeThe running time is rather below average in comparison

For whom the Sigma Rox 12.1 Evo is suitable: Anyone who frequently wants to navigate to an address will appreciate the address direct input. Otherwise, the Sigma Rox 12.1 Evo is suitable for athletes who record training rides as well as for leisurely day trippers who want to be navigated.

This test report belongs to a different type: ROX 12.1 Evo GPS bike computer - Night White - Set - Incl. ANT+/BLE borstriem/snelheids-/cadence sen