Reverse Coil Shock Travel/Sag Indicator Tune Your Suspension Sag is the amount your suspension drops down when you sit on your bike. In order to dial in your suspension perfectly, you'll want to set the sag at a certain amount. The Reverse Coil Shock Travel/Sag Indicator is a suspension tuning tool to measure the travel and sag on coil shocks. Features A suspension tuning tool to measure the travel and sag on coil shocks Designed for coil shocks Reverse part number: 01232 | Reverse Components | Reverse Coil Shock Travel/sag Indicator Black