The S101 includes two paddles connected to two 4ft/1.2 m tubes and a combination mounting loop. Sold as a unit only. No removable components or replacement parts. Not interchangeable. Available in five resistance levels.ColorResistance (lbs)*Resistance (kg)*Silver3-81.3-3.6Yellow5-142.2-6.3Green8-243.6-10.8Red12-315.4-14.1Blue14-346.3-15.4* resistance when stretched 1 – 3 times original length
