Strada 7 Racing CNC Aluminum Hand Grips Gold For Kawasaki Ninja 300R Made from High Quality CNC Aluminum with comfortable durable rubber. The aluminum is hard anodized with bright and vibrant colors. Fits standard 7/8" (22mm) handle bars, Length of grip is 4-3/4" (120mm) 8 colors available Some bike models have ribs on the throttle tube, these may need to be shaved off with a razor blade or a file before installation