Kettler ergo coach rowing machine the german made kettler ergo coach rowing machine has the companys patented inductions brake system that provides resistance that can be adjusted from 25 watts to 500 watts the biomechanically correct footplates pivot naturally putting your heels in the proper position during the drive stroke and the padded seat glides along a steel track with sealed ball bearings no lubrication needed you can use the heart rate control programs that will automatical