Did you know that you could shop on our www.chainreactioncycles.com/us/en website?

    • Polar Grit X Multisport GPS Watch


      33 people are looking at this item.

  • Polar Grit X Multisport GPS Watch

    An advanced outdoor watch, the Polar Grit X Multisport GPS Watch is ultra-rugged, lightweight, comfortable and delivers the top training features.


    The Serene breathing system helps you relax your body and calm down your mind in moments of stress, throughout your day, with guided breathing exercises.

    Smart Calories

    The watch provides highly accurate calorie counting based on your weight, height, age, gender, your individual maximum heart rate (HRmax) and how hard you’re training.

    Running Index

    The Running Index shows clearly how your running performance is developing with the use of your estimated running VO2max.

    Fitness Test

    See how fit you are in just 5 minutes without having to break a sweat with the Fitness Test option.

    Sleep Plus Stage

    Sleep is a core part of the recovery process; therefore, it is integral that you get the best sleep you possibly can so you can properly rest and restore. The Polar Grit X watch follows and tracks your sleep stages to provide key insights into your overall sleep quality.

    Training Benefit

    Keeping going with the Training Benefit system that provides motivating feedback immediately after training describing the effect of the session.

    Running Program

    A great feature for runners, the Running Program provides personal and adaptive training plans that fit you and your goals.

    Strava Live Segments

    Make your runs and rides more exciting with Strava Live Segments. Receive alerts about nearby segments, see real-time performance data during a segment and check your results right after you finish.

    Energy Sources

    You can see how your body uses different energy sources during a training session with the Grit X’s Energy Sources features. The watch divides your energy usage into carbs, proteins and fats.

    Running Power

    See how intense your running session is with Running Power which provides comprehensive insight into the intensity of your running sessions.

    Nightly Recharge

    See how well you recover from your day during the night.


    Keep up to date with weather updates – the watch allows you to check current weather info and a 2-day forecast.

    Route Planning with Komoot

    Plan your route on Komoot and import it to your Polar Grit X to receive turn-by-turn guidance to take care of navigation for you.


    The FuelWise smart fuelling assistant, helps you learn to refuel and maintain adequate energy levels during your long endurance sessions.

    Phone Notifications

    Sync your compatible smartphone to the watch to stay connected with notifications. You can receive alerts for incoming calls, messages, emails, calendar events and more.

    Swimming Metrics

    Water resistant and ready for action the Grit X automatically detects your heart rate, swimming style, distance, pace, strokes and rest times. Distance and strokes get tracked also in open water swimming.

    Sport Profiles

    The watch comes with a huge host of sport profile and it supports over 130 different sports. You can add your favourite sports to your sports watch in Polar Flow.

    FitSpark Training Guide

    The FitSpark training guide helps you prepare for your pursuit to conquer the trails with ready-made daily workouts that match your recovery, readiness and training history.

    Heart Rate Monitor

    The watch comes with an advanced wrist-based heart rate with Precision Prime sensor fusion technology.

    Route Guidance

    Upload your route to the Polar Grit X and stay on the right path with real-time guidance.

    Hill Splitter

    The Hill Splitter feature delivers detailed data about your performance on the uphill and downhill sections of your session.


    Dimensions: 47mm x 47mm x 13mm

    Weight: 64g (with wristband), 44g (without wristband)

    Materials: Extreme high strength stainless steel case (with DLC coating on black colour version), glass fibre reinforced back cover

    Display Type: Always-on colour touch display

    Display Materials: Laminated Gorilla glass lens with anti-fingerprint coating, protected with forged stainless-steel bezel with lugs

    Display Size: 1.2’’

    Display Resolution: 240 x 240 pixels

    Battery Type: 346mAh lithium-polymer

    Battery Life: 40 hours in training mode (GPS and wrist-based heart rate), or up to 7 days in watch mode with continuous heart rate tracking, multiple power save options available

    GPS and Barometer: Integrated GPS, GLONASS, Galileo, QZSS, assisted GPS for fast fix times, barometric altitude, incline, ascent and descent

    Connectivity: Bluetooth Low Energy, custom USB cable for charging and data synchronisation

    Watch: Time and date, alarm with snooze

    UI Languages: English, German, French, Italian, Dutch, Norwegian, Spanish, Portuguese, Swedish, Finnish, Danish, Polish, Russian, Turkish, Indonesian, Czech, Japanese, Chinese (simplified)

    Sensors: Compatible with all standard BLE heart rate sensors and running cadence and power sensors as well as cycling speed, cadence and power sensors

    Wristband Material: Durable and comfortable silicone

    Wrist Size: 130-190mm (small), 145-215mm (medium/large)

    Operating Temperature: from - 20° to 50°C, temperatures below -10°C may affect battery life and performance

    Durability: Tested against military standards (MIL-STD-810G)

    Water Resistance: Waterproof (WR100)

    Compass: Magnetometer-based compass available in training mode (no GPS needed)


    • Hill Splitter
    • Route guidance
    • Advanced wrist-based heart rate
    • FitSpark training guide
    • Sport profiles
    • Swimming metrics
    • Phone notifications
    • FuelWise smart fuelling assistant
    • Route planning with Komoot
    • Weather
    • Nightly recharge
    • Running power
    • Energy sources
    • Strava Live Segments
    • Training Load Pro
    • Running Program
    • Training Benefit
    • Sleep Plus Stages
    • Fitness Test
    • Running Index
    • Smart Calories
    • Continuous Heart Rate
    • Serene breathing exercise

    Buy Polar Run GPS from Chain Reaction Cycles, the World’s Largest Online Bike Store.


    • Colour: Green, White, Black
    • Size: M/L, S/M



  • Save Up To 17%
    RRP £379.00
    £315.99 - £345.00 315.99 345.00
    Select Colour
    Select Size
    Email me when in stock

    Order in the next


    and choose Next Day Delivery at the checkout

  • Need help? Have a question?

    Get in contact with us

    GPS Buying Guide

    We’ve got everything you need to know in our buying guide...

  • Also Consider

    From  £129.00
    SAVE 1%
    RRP £129.95
    Select Option

    Please select an option

    Select Option

    Please select an option

    Select Option

    Please select an option

    SAVE 28%
    RRP £119.99
    Select Option

    Please select an option