Rollersafe Bluetooth roller skis For cross country ski training. I bought these two years ago but never got to use them because I broke my foot dont have the strength for roller skiing anymore. Theyre super cool you can modulate the breaking so that going downhill is safer. The item "Rollersafe Bluetooth roller skis For cross country ski training" is in sale since Sunday, November 22, 2020. This item is in the category "Sporting Goods\Outdoor Sports\Other Outdoor Sports".The seller is "stpar4706" and is located in Boulder, Colorado. This item can be shipped worldwide.