Polar RS300X G1 Heart Rate Monitor & GPS

Product Code: 120211
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Product Description

Track your fitness and meet your goals. The Polar RS300X GI displays and records a wide variety of heart rate fitness data in a simple-to-use sport watch. The G1 package includes a GPS sensor to measure speed and distance for any type of outdoor adventure.

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* Prices are estimates and will be calculated at checkout based on your minimum deposit.
Home Delivery by Experts

All Terrain Cycles are now offering a Home Delivery service.

Our Cytech qualified mechanics will first make sure that your bike is fully checked and ready to ride.

Then we will deliver it completely assembled direct to your home or place of work where we will set up your bike for your personal needs and answer any questions you may have. All for just £50.00.

Our delivery map indicates a general area, however, if you do not see your location on the map please call us on 01274 588488 to discuss a special delivery.

Hometech Map
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Stock is held at our two stores and at an external warehouse, and as a consequence our website does not show live stock.

Upon placing an online order we will notify you if we are unable to fulfil your order within 1-5 working days.

We do not charge your credit or debit card until we dispatch your order, unless by prior agreement or as a holding deposit for special purchase items.

Our mail Order Customer service is open Monday to Friday 8am to 5.30pm

If you are visiting one of our stores and interested in a specific item, please ring us on 01274 588 488 to check that it is available at the store you are visiting before making a special trip.

This telephone number is manned 7 days a week in line with our shop opening hours.



  • Polar RS300X sport watch
  • Polar WearLink+ 31 coded transmitter, size M-XXL
  • G1 GPS arm band sensor

Watch Details

  • Alarm with snooze
  • Date and weekday indicator
  • Dual time zone
  • Low battery indicator
  • Stopwatch
  • Time of day (12/24h) with alarm

HRM Details

  • Automatic/Manual target zone
  • Backlight
  • Display zoom
  • Graphical target zone indicator
  • Visual and audible alarm in target zones
  • Heart rate (displayed as % of maximum heart rate or displayed as bpm)
  • HeartTouch, button-free operation of wrist unit
  • Maximum and average heart rate of total exercise
  • Maximum heart rate of each lap
  • Number of laps - 99
  • Polar OwnCal (calories burned, cal's per mile, cal's per hour)
  • KeyLock
  • Over-size display
  • Two lines of data displayed
  • Water resistant- 50m
  • Compatible with PolarPersonalTrainer.com using Polar FlowLink

GPS Details

  • Run distance
  • Speed displayed in pace, or kph/mph
  • Speed/Pace summaries and target zones
  • Target pace with alarms
  • Time and distanced based interval timer
  • Totals mileage, kilocalories, time training
  • Trip odometer
  • Full power mode (up to 30 hours with an optional lithium battery)- avg 10 hours
  • Low battery indicator
  • Low power battery mode- avg 15 hours
  • Shock resistant
  • Water resistant- 20m


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