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Sigma ROX 5.0 Cycle Computer

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Product Description

Your new training partner, the new ROX 5.0 from SIGMA SPORT is the ideal everyday companion for ambitious cyclists in training. The bike computer displays not only the speed but also the heart rate and cadence values, and can even be used as a running computer. With a striking black design, the ROX 5.0 is the perfect computer for regular cyclists and runners.

Key Features:


  • Bike functions
  • Current speed
  • Average speed
  • Maximum speed
  • Current vs. average speed comparison
  • Distance
  • Current cadence
  • Average cadence

Heart rate functions

  • Current heart rate
  • Average heart rate
  • Maximum heart rate
  • HR as a % of HR max
  • Kcal
  • One target zone
  • Four intensity zones
  • Automatic calculation of the intensity/ target and HR zone(s)
  • Audible zone alarm
  • Visual zone alarm

Intensity Zones

The ROX 5.0 has 4 intensity zones and will show how much time is spent in each zone. You may use the pre-programmed zones or customize your own based on specific fitness goals.

BE1: Basic endurance 1, 60 & 70% of the HR max
BE1/2: Basic endurance 1/2, 70 & 80% of the HR max
BE2: Basic endurance 2, 80 & 90% of the HR max
CE: Competition endurance, 90 & 100% of the HR max

Target Zone

Define a heart rate range and stay within it! Use the pre-programmed Fitness or Fat Burning Zone or easily create your own. An audible and visual zone alarm will help keep you in your target zone.

Time functions

  • Trip time
  • Time (12/24h)
  • Date
  • Countdown timer
  • Stopwatch

Temperature functions

  • Current temperature

Lap functions

  • Maximum no. of laps (99)
  • Lap time
  • Time since start
  • Lap distance
  • Distance since start
  • Average speed per lap
  • Maximum speed per lap
  • Average HR per lap
  • Maximum HR per lap
  • Kcal per lap
  • Average cadence per lap

Lap Counter

  • Records speed, cadence and heart rate values for each lap. Up to 99 laps


  • LOG book
  • Low battery indicator - computer
  • Low battery indicator - transmitter
  • 7 available languages
  • Automatic start/stop
  • Automatic detection of the second bike
  • Backlight
  • Zone alarm can be switched on/off
  • Adjustable contrast
  • Switchover kmh/mph mode
  • Integrated storage chip for data backup (total and setting values)
  • Battery type - receiver (CR 2450)
  • Battery type - transmitter (CR 2032)
  • 1 year battery life - receiver*
  • 1 year battery life - transmitter*
  • Watertight
  • Total values
  • Total distance for multiple bikes (2)
  • Total trip time for multiple bikes (2)
  • Total kcal for multiple bikes (2)

Running computer functions

  • Running time
  • Total running time
  • Current heart rate
  • Average heart rate
  • Maximum heart rate
  • One target zone
  • % of HR max
  • Audible + visual alarm if target zone thresholds are breached
  • Four intensity zones
  • Graph-based illustration of the intensity zones
  • Kcal
  • Time
  • Countdown timer
  • Current temperature
  • Total kcal

Running mode

Twist the ROX 5.0 into the wrist strap to hide the cycling functions and begin the running mode. In run mode, the key functions include heart rate, run time, target zone and intensity zones.

PC interface

  • PC interface (opt. with docking station)
  • Transmission of the settings to the bike computer
  • Automatic LOG book
  • Memory capacity of approx. 25 hours
  • Recording interval (10s)
  • Transmission of the trip values to the PC
  • Transmission of the total values to the PC

DATA CENTER 3 Functions

  • Individual memory evaluation
  • Comparison of 2 individual memories
  • Summary of total values
  • Low battery indicator (opt.)
  • Device settings via PC (opt.)
  • Statistical evaluation
  • Calendar function
  • Displaying the trip cycled in graph format
  • Displaying the speed, cadence, heart rate, and temperature in graph format
  • Comparison of two LOGs
  • Distribution of the heart rate zones
  • Intensity zone distribution
  • Sub-area evaluation
  • Print all evaluations
  • Note function
  • Deletion of LOG sections/parts of the LOG


The trip data is automatically recorded in the LOG and can be optionally downloaded to the SIGMA DATA CENTER 3 evaluation software. Up to 25 hours can be recorded in the LOG.

Training analysis with DATA CENTER 3

The DATA CENTER 3 software makes ride data simple to download, track and analyze. The start page features a concise summary for quick analysis.

Contents Include:

  • Cadence magnet pedal insert
  • R1 STS Comfortex+
  • STS Cadence transmitter
  • STS Speed transmitter
  • Tool-Free power magnet 2009
  • Wrist band
  • STS handlebar mount CR 2450
  • Cadence power magnet

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