Product DescriptionThe Polar G3 GPS Sensor Module is compatible withThe RS800, it measures speed and distance across a range of sports like mountain biking,Trail running, kayaking, Nordic skiing and in-line skating.
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Hello all. Currently am running a mini G2 guide on my Transition Trans Am. Read a few reviews and some info on the new G3 guide online and there was mention of the addition of material that deadens the noise from the chain slapping the upper guide. I was wondering if anyone's run the new G3 g ... Read More »