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    Frequently Ask Questions & Manuals

    What is the maximum speed that can be displayed by the bike computer?

    All SIGMA SPORT bike computers can display a maximum speed of 199.8 km/h.

    When am I entitled to make a warranty claim?

    You can make a warranty claim in relation to material and workmanship defects. The warranty does not cover batteries, wear-and-tear parts, wear caused by commercial usage, or accidents. You are only entitled to make a warranty claim if the SIGMA product itself has not been opened without authorization and the receipt of purchase is provided.

    Where can I get the DATA CENTER evaluation software?

    The DATA CENTER can be downloaded for free from www.sigma-download.com

    Can I use my bike computer in the rain?

    All SIGMA SPORT products are splash-proof so that they can also be used in the rain. The bike computer is not suitable for use when swimming and is not machine washable!

    Do I need a speed transmitter?

    The Pure GPS determines speed and distance via GPS. An extra transmitter can’t be used.

    What type of navigation does the Pure GPS provide?

    The Pure GPS provides GPS navigation which acts as a compass.

    What do I do if I cannot get a GPS signal on my device?

    Connect your device to the Data Center / Link app and run the AGPS data.

    Which min./max. wheel circumference can be set as value?

    Wheel circumference min. 500 mm

    Wheel circumference max. 3999 mm

    With the ROX 12.0 GPS, even an input less than 500 mm can be adjusted.

    Does the speedometer indicate navigation by route distance or as the crow flies?

    The speedometer has a compass navigation. It indicates the route as the crow flies.

    How do I connect my bike computer with the SIGMA LINK app via NFC?

    Make sure your phone has the necessary NFC interface. Enable NFC on the bike computer. Open the SIGMA LINK app and select your bike computer. To transfer data, hold the bike computer to the NFC chip of your smartphone.

    All information about NFC connectivity can be found in our video tutorial: SIGMA SPORT // LINK APP // NFC

    How do I find out if I have the latest firmware or how can I update the firmware on my device?

    All information about the topic firmware update can be found in our video tutorial: https://www.youtube.com/watch?v=lG4CwF0NVWQ

    What is the maximum speed that the bike computer can display?

    The speed is displayed up to 199.8 km/h.

    What warranty entitlement do I have?

    Warranty claims can be made in the event of material and workmanship errors. Excluded from the warranty are batteries, elastic straps, textile chest straps, e.g. Comfortex, wear and tear parts and wear due to commercial use or accidents. If no speed is displayed, this can be due to the transmitter or the computer.

    How can I obtain a replacement?

    Accessories are available in the Sigma Webshop https://sigmasport-shop.com/en/.