Black anodized aluminum. The T-Rex Pull Back Plate mounts to the top of the triple tree and moves your bar mounts towards the rider 2.5" (6.35cm) for a more comfortable ride. It solid mounts to the stock or aftermarket triple trees and the risers solid mount to the T-Rex Plate. Since the handlebars have no longer vibration insulating dampers Kraus recommends the use of their Isolated Risers with built-in vibration damping. - Moves bar towards rider 2.5" (6.35cm) - Adds 1" (25.4mm) of total height to the bar/riser - It is recommended running Kraus Isolated Risers with this setup for Vibration Damping - Black anodized CNC machined billet aluminum. Note: Total height may vary slightly depending on the bushing and/or bar type.