The easily interchangeable SLIDING BRIDGE with two O-rings is designed as a spare or replacement part for the IGNITE ARB climbing harness. The simple threading technique makes it easy to exchange the SLIDING BRIDGE if needed without any additional tools. A dependable wear indicator shows the user when the material has become too thin and needs replacing. The standard SLIDING BRIDGE on the IGNITE ARB climbing harness comes with one ring. This additional bridge is the choice for users like working with a second O-ring.