Each Kinekt Stem comes with 3 springs to suit your riding style or terrain ridden. If you need extra springs you can find them here. 

They are easy to change ,please see your product guide that came in the box, or call Cirrus Cycles at  360-392-8302 for help. 

We offer 3 different springs: Blue (Softer), Black (Medium, and Green (Firmest) all are 1.5" in length.