Polar G1 GPS sensor provides speed/pace and distance measurement for outdoor sports, for example running or cycling. The G1 speed range is 0-199km/h / 0-123.6 m/h.

…Speed and distance is nothing without heart rate monitoring. Only by combining these three with the RS300X, you can truly make sense of your training. G1 GPS sensor provides speed and distance in various outdoor sports, so you know it's worth all the effort.

…Speed and distance is nothing without heart rate monitoring. Only by combining these three with the RS300X, you can truly make sense of your training. G1 GPS sensor provides speed and distance in various outdoor sports, so you know it's worth all the effort.

Get all the essential heart rate features with this good-looking and simple-to-use training computer. RS300X is compatible with S1 foot pod? and G1 GPS sensor, so you can combine heart rate with speed and distance. Only then you can truly make sense of your training and be sure it's worth all the effort…

…your workout targets for both cardio and strength training, plus its stylish design is comfortable during a hot workout or in everyday use. Comes with G1 GPS sensor for speed and distance measurement in outdoor sports.

Get all the essential heart rate features with this good-looking and simple-to-use training computer. RS300X is compatible with S1 foot pod? and G1 GPS sensor, so you can combine heart rate with speed and distance. Only then you can truly make sense of your training and be sure it's worth all the effort…

…training program features weekly targets, feedback and guidance so you'll achieve your training targets more efficiently and effectively. Comes with G1 GPS sensor for speed and distance measurement in outdoor sports.

…training program features weekly targets, feedback and guidance so you'll achieve your training targets more efficiently and effectively. Comes with G1 GPS sensor for speed and distance measurement in outdoor sports.

…training program features weekly targets, feedback and guidance so you'll achieve your training targets more efficiently and effectively. Comes with G1 GPS sensor for speed and distance measurement in outdoor sports.