Lock down hills takes on a journey over several rolling hills. a 45 minute hill climb, working your heart rate between zones 7 and 8 out of 10 or between 75% to 85% of your HRM
Lock down hills takes on a journey over several rolling hills. a 45 minute hill climb, working your heart rate between zones 7 and 8 out of 10 or between 75% to 85% of your HRM
Comments